P0170 code mercedes. This is the ONLY code I got left.
P0170 code mercedes. 1999 Mercedes C280 with OBD codes P0410, P0170 and P0173.
P0170 code mercedes The fuel trims should be evaluated on the mercedes tester to confirm a bad sensor. To diagnose the P0170 code, it typically requires 1. Anyone know what "Fuel trim malfunction, Bank #1" Means in Dec 9, 2018 · The car that I own is a 98 SLK 230 and the CEL is on. May 1, 2008 · My issue: Got the despicable P0170 (fuel trim malfunction - bank 1) code while on the highway last week. I know how to change the MAF sensor, but, I don't know how to do code Can read and erase all fault codes on Mercedes-Benz cars. Selvitä, mitä tämä tarkalleen ottaen tarkoittaa, koodin P0170 oireet ja syyt sekä miten toimintahäiriö korjataan. i changed the coils, boots, wires, spark plugs, o2 sensors, and the MAS[made car run w … Jun 11, 2009 · This code is usually caused by a faulty mass air flow sensor. What sets PO170 code Aug 5, 2018 · Second P0170 is a generic fuel trim error, need to know either the Merc codes (20xx) or whether P0171 (lean) or P0172 (rich) - Torque Pro will not tell this. I replaced the MAF with a new, but very cheap aftermarket part, which helped the stumbling and stalling. Check engine came on about the Jun 3, 2006 · I was receiving folowing OBD2 codes P0300, P0301 through P0306 and P0170. working4ev. Get tips for diagnosing combustion problems. Note the code numbers in the pdf indicating such information. May 29, 2024 · The ECM/PCM and the O2 sensor are all about keeping things balanced in the combustion chamber. I have 2 codes (p0170 p0173) every 200km. As most of us are aware, the generic OBDII DTC (Diagnostic Trouble Code) structure is governed by standards, meaning each […] Feb 1, 2012 · Code P0301 - P0304 Random misfire Spark plugs Ignition Coils Plug Wire set Code P0104, P0105 MAP sensor MAP sensor harness Finally after replacing all of the above in order with no change I started seeing P0170 code along with the P0301-4. May 15, 2006 · Code P0170 and P0173 For 2000 E320 these codes are 'Fuel Trim Malfunction' Bank 1 and Bank 2 respectively. P0170, P0173. What is usually the problem when these two codes exist? … read more Q: Hi. Fuel Trim Malfunction (Bank 1) What the P0170 code means. Codes returned immediately after clearing CEL. Check out the easy/cheap stuff, change the filters, clean the MAF, see if that clears it up. To diagnose the P0130 Mercedes-Benz code, it typically requires 1. If your PCM is unable to adjust your vehicle’s air-fuel ratio due to vehicle problems, it may trigger fuel-trim related trouble codes, such as code P0173. I started shopping around for a fuel filter 2001 mercedes c320 feels like bad gas possible o2 sensors codes p0173 and p0170 MB Paul Qualified Mercedes Benz Diagnostic Technician - 20+ years experience - Workshop Foreman for Mercedes Oct 16, 2007 · I am helping my neighbor with a 2000 E320 4-matic wagon. it is fuel trim bank 1 and 2 what is this. Dry and broken pcv valve hose 3. 2004 Mercedes-Benz C230 P0170 Fault Code Guide | RepairPal The generic error code P0170 appears when there is a significant problem and mechanical malfunction in your vehicle’s fuel trim in Bank 1. Despite replacing the MAP sensor, the front HO2 sensor, cleaning the throttle body, cleaning the IAT sensor, and smoke testing the intake, the code persists. 00 fixYou may want to check your mass air flow sensor and oxygen sensor and rod out the two large vacuum ho Jul 5, 2006 · I have a 1996 e320, with a P0170 code. 3L Problem: Check engine, P0170 May 26, 2022 · What is the Cost to Diagnose the Code? Labor: 1. Nov 17, 2011 · hello again i have a 1999 mercedes e-320 it has the following codes p0170 fuel trim bank 1 and p0173 fuel trim bank 2 very hard starting and when it runs if you step on the gas it miss fires and pops … Air-fuel ratio is important to ensure excellent engine performance. The vehicle’s manufacturer may set a Oct 6, 2023 · Though this code tends to be relatively generic in nature, applying to a wide range of vehicle makes and models, it is often observed not frequently by those driving a Mercedes-Benz, or Volkswagen. In cars with an inline cylinder configuration, it’s the first cylinder. I bought a brand new genuine BOSCH MAF sensor and installed. Marty Oct 25, 2011 · 95% of the time when those two codes (P0170 & P0173) pop up together on a gas engine, it is indeed the MAF. Here's what I've done: Changed MAF sensor Changed O2 sensor Changed all vacuum lines (found 2 leaks and repaired) Changed the PCV valve and associated hoses Cleaned the orifices connected to the PCV In writing this article I've added Mercedes-Benz-specific info since it seems that M-B (and VW) are most prone to having this P0170 surface along with misfire codes or other fuel trim codes. STFT almost always lean ranging -1 to -10 LTFT mostly +27 pre cat O2 sensor all over the place from . Any help is much appreciated. Removed purge valve and inspected and CRC'ed the hoses going into it with no luck either. My code reader gives me the code P0170. OBD2 reader states that this is the only code that is being tripped. I have reset the computer twice and the same two codes re-appear. Those with some real-world experience know these things. Jan 2, 2009 · I erased it again, 4 or 5 miles later, it came back again P0170 - Fuel trim malfunction, Bank #1 - by itself. Nov 11, 2018 · Well it seems my trouble-free quota has been met. The car won't start and had pulled the codes P0170 Oct 22, 2024 · Recognizing these Mercedes-Benz OBD codes can help you diagnose issues with your vehicle’s transmission, Air Flow (MAF), Speed Sensor, or catalytic converter, and get the Check Engine light turned off. BenzWorld. . Sep 28, 2024 · Understanding the code: demystifying p0170 in mercedes benzP0170 code P0170 code — fuel trim issues explained – eeuropartsMercedes benz fault code p0170. P0170 means there was a malfunction in the computer's control of the air:fuel ratio. The check engine light comes on and when I read the codes, the above appears. Recently, I had the oil changed and I developed the following codes: P0173, P0170, P0442. R170 SLK-Class Aug 1, 2009 · P0170 could possibly be O2 sensor or MAF or vacuum leak? Car has 140k on it and to my knowledge hasn't had the o2 sensors replaced. check your wires are all pushed tight to the plugs,check for leaks in vacuum lines,clean the injectors with some techron cleaner. Check connections at coolant temperature sensor. I immediately thought MAF. The P0170 code means that the powertrain control module is detecting a fuel trim that is outside the range of specification set by the vehicle’s manufacturer. P0685 faultP0170 mercedes a140 Marty, i am getting a code p0170 in a 2006 mercedes benz b200 vinMercedes p0170 c280 trim fuel bank engine 2000 benz code source comes check light full 2011. Done a bit of searching on this (and another) board and there seems to be a bunch of possibilities in repairing this particular issue. I went to get it inspeceted and got OBD codes of P0170 and P0173. Problem solved. Jan 7, 2016 · I recently encountered a problem with a 2000 mercedes c230 k. Pueden haber diversas razones por las que se detecta un código DTC P0170 en un vehículo. What Does the Engine Code P0170 Mean? Character "P" in the first position of Diagnostic Trouble Code (DTC) represents the powertrain system (engine and transmission), "0" in the second position means that this is a generic OBD-II (OBD2) DTC. Nov 7, 2016 · I have a Check Engine light that is being set by a P0170 Code (Fuel trim out of limit) on my 1999 SLK 230. Dec 19, 2020 · Mercedes s55 with the m113 engine had code p0173 along with p0173 at the same time wasn’t sure what was going on 🤷🏻♂️P0170 & p0173 are “general “alert cod Nov 19, 2006 · The CEL light came on last nite and I took it to Autozone for readingCame back with code P0170 and P0173. Look at the explanation of the different codes. Oct 20, 2024 · The P0170 code is a signal that something isn't quite right with your vehicle's fuel management system. I know that an AutoZone near me has a better code reader, so I went there to see if there was any difference or any additional details that they could give me on it. I cleared the codes and drove hoping they will disappear, but after the next drive cycle they showed up again. Most of the time the code is caused by a vacuum leak or a faulty mass air flow sensor. ” Pretty darned generic. Goes away and comes back. It has been sitting in storage for two years. In the code book it says "fuel trim malfunction bank 1" and "fuel trim malfunction bank 2". Thanks MAC May 7, 2017 · i had the p0170 fuel trim malfunction bank 1 code i bought the cheap Ebay MAF for $22. Barely made it home and ran the codes to find the MAF sensor is bad. org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection Aug 14, 2007 · Mercedes-Benz Roadster Forums. My car has an automatic Sep 6, 2016 · Despite Exemption, Mercedes ML320 Complies With NLEV Not only do all Mercedes-Benz cars sold nationwide (including the E300 Turbodiesel) already comply with California's strict emission regulations (and thus, the NLEV requirements), but so does the new, award-winning ML320 sport-utility vehicle. (P0171) If the P0171 is combined with the P0174 code, it's very likely that the problem is caused by an intake leak. I feel bad that I didn't close this thread out with the resolution 3 years ago. That can only be determined by having the codes read using the proper scanner. 00 and it worked find; no more code, just want to let you guys know. What does the OBDII code P0170 mean on a Mercedes-Benz? P0170 indicates a "Fuel Trim Malfunction Bank 1," meaning the engine control module (ECM) is detecting an imbalance in the fuel-air mixture on the first bank of cylinders. 5L, E320, 300D, Outback 2. I replaced both of the boots and put the old MAFs back on and the codes went away. In your model year it can be narrowed down considerably. Propose to look at PCV valve if there is one, where located, clean throttle body and butterfly valve. Is it mult misfires0300 plus 04,05,06?that is the whole right side bank facing to the engine bay,if it was a filter or pump or pressure issue before the injectors it would affect all the cylinders. The Midas guy told me that these are sensors. However, the CEL came back on after about 30 miles, and the gas mileage has remained horrible as it was before the MAF change. Your powertrain control module (PCM) plays an important role in maintaining this ratio. What would trigger this P0170 at this point? So far I have to thank every one of you for your advice. Marty. ” This is a DTC (diagnostic trouble code) that is triggered when the fuel trim in cylinder bank 1 is incorrect. Code P0173 Mercedes-Benz Description. The codes state a vacuum leak or a fuel pressure problem. In general, the parts needed for the repair such as oxygen sensors, fuel injectors, or vacuum hoses can range from $100 to $500. Looked at the seal (on the air filter housing) which the MAF plugs into and found it to be pinched. Jun 3, 2020 · R129 Mercedes Benz SL55 AMG C208 Mercedes Benz CLK55 AMG. Is what Alldata says when I look up the P0170. 2009. Mercedes Benz Code = 0337 Self-adaptation of mixture formation for enrichment at partial load for the right cylinder bank is above the permissible limit. P0170 code definition. Come join the discussion about your R170/R171/R172 SLK, or AMG Is it possible that a P0170 code might be triggered by replacing spark plugs with hotter plugs than needed. The car has both a problem with the fuel tri Jul 14, 2007 · Went to Autozone to have the codes pulled and it came up with P0170 and P0305 and P0306 and P0300 (the 03xx are random misfirings) and the 0170 states fuel trim? The car idles rough and almost dies. code P0100 is for MAF or VAF a circuit malfunction. No luck. 4K views 5 replies 3 participants last post by 1999 SLK 230 Nov 17, 2010 Aug 5, 2011 · Codes P0170 through P0173 are almost definitly the MAF. Jun 24, 2013 · Code: P0170 & P0173 (MY 2006 C230) Jump to Latest 6. Spark plug, lead, coil along with injector and seal replaced) New Codes: P0100 P0150 The OBDII Fuel Trim DTCs P0170 and P0173 are often the subject of robust online debate, some confusion as to their meaning, and further debate as to how to solve these faults in Mercedes-Benz vehicles. Any ideas/ information will be appreciated. It will cause the check engine light to come on if you don't let it warm up and has trouble accelerating. Sure enough I was getting the same codes. Old and dirty air filter and all that dirt had allready reach the MAF sensor. In my 1yr ownership of this 97 S500, I never had a check engine light until 2 weeks ago. Helpful tips to identify possible causes mercedes obd2 code (p0173 Marty, i am getting a code p0170 in a 2006 mercedes benz b200 vin P0138 and p0170 codes on a m271 200k Mar 31, 2009 · BUT then I got a check engine light and I ran the code. Today I got a check engine light + P170 fuel trim bank 1. Many of these codes are caused by issues that directly affect combustion, which could result in code P0170 being set. In writing this article I’ve added Mercedes-Benz-specific info since it seems that M-B (and VW) are most prone to having this P0170 Citroen surface along with misfire codes or other fuel trim codes. I know there are a lot of threads about the codes P0170 and P0173, however, most of them direct at first glance to the Mass Air Flow, especially when getting both codes at the same time. I just cleaned the MAF Sensor as described in the "MAF R&R" document in the DIY section. This can mean a negative fuel trim or a positive fuel trim has been detected. 1,125 Satisfied Customers. It's important to note that diagnostic time and labor rates can vary, so it's recommended to get a quote from a trusted auto repair shop for a more accurate estimate. 5. Maybe they didn't tightly fasten all hoses and lines? 1999 mercedes c230 kompressor, i keep getting codes for a cylinder #2 misfire and p0170 but cannot find the prob. May 18, 2016 · Code P0170 is defined as Cars most affected are turbocharged petrol models in the Mercedes-Benz, Audi, BMW, and Volkswagen ranges. This code indicates a "Fuel Trim Malfunction (Bank 1)," essentially meaning. I have changed mine twice. Diagnosing and Repairing Fault Codes. Mercedes Benz Code = 0433 (Right O2 sensor, before TWC): Short circuit to positive / Resistance of sensor heater too low (P0135) Mercedes Benz Code = 0436 (Right O2 sensor, before TWC): Heating capacity is too low. Jun 5, 2010 · My truck is a 01 ML320. Generated by your vehicle’s on-board diagnostic system, a P0170 error usually means the problem lies in the powertrain assemblies. Mar 9, 2020 · "p0170 code Trim Malfunction Bank 1" forums say its the MAF sensor but took MAF off & it was clean, cleaned it with MAF cleaner 2x now and it still throws the same code - could it be a faulty 02 Sensor , and after researching I see there are 2 02 sensors, and upstream and a downstream - if the ODB2 code reader only says bank one - which 02 sensor would it be, or do I need a new MAF - money is 1999 Mercedes C280 with OBD codes P0410, P0170 and P0173. This means that the Engine Control Module (ECM) has detected that the air-fuel mixture is too lean or too rich. You might changed the one that you would not need. P0115. They leave the determination to the scanner to point them in the right direction. Other info: - 1998 E320 Jul 8, 2016 · NOTE #2: Diagnosing code P0170 requires that the engine be in perfect running condition, and that no misfiring, fuel pressure, vacuum system, or air/fuel metering codes and issues are present. The best way to look at that is of course Star Diag/Xentry. Code P0100 Mercedes-Benz Description. I have not gotten any more MAF codes, just my good old P0170 code. "1" in the third character position in a DTC indicates that the fuel and air metering and auxiliary emission controls is experiencing a malfunction. Aug 14, 2007 · Post the codes First,all of them so we can have a look see. Apr 18, 2011 · There isn't a specific solution - codes are only a pointer to faults. So I ordered a new MAF sensor. However i see the ebay seller raised the price all the way up to $121. Well when i did that there were two codes present P0170 and P0173 (fuel trim codes). In writing this article I’ve added Mercedes-Benz-specific info since it seems that M-B (and VW) are most prone to having this P0170 Honda surface along with misfire codes or other fuel trim codes. Guy at Autozone says it could be Faulty O2 sensors Mass Airflow Filter Misfire Vehicle drives perfectly without any jerks, idyling or knockinghave about 50 K miles. The car runs and drives great and doesn't exhibit any running issues. May 22, 2010 · hello again i have a 1999 mercedes e-320 it has the following codes p0170 fuel trim bank 1 and p0173 fuel trim bank 2 very hard starting and when it runs if you step on the gas it miss fires and pops … Causas del código DTC P0170. My 1997 c280 has engine light on with code p0170 fuel trim bank 1, I would to find out where the problem is, please Auto Psychic semiretired mercedes benz master guild technician w 4+ decades of diagnosis and repair experience May 30, 2023 · Mercedes Benz R170 SLK Class Cars SLK R170 General Discussion If you see a RED DOT in your avatar (top right) it means you have a message that you need to read/respond to. Jul 3, 2008 · Went back to MIDAS where I had the oil changed and had them read the codes which were these two, P0170 & P0173. Aug 21, 2022 · What is the Cost to Diagnose the Code? Labor: 1. Same codes. The P0170 Nissan code indicates a fuel trim malfunction in Bank 1 of the vehicle's engine. I guess it is time to replace the whole MAF. Apr 18, 2009 · P0170-0174 codes very often relate to a MAF malfunction, especially after 60-80K miles. This means that the Engine Control Module (ECM) has detected that the air-fuel mixture is too lean or too rich for proper combustion. Aug 21, 2022 · Code P0170 Mercedes-Benz Description. Dec 5, 2012 · Loss of power, p0170 & p0130 codes Jump to Latest 2. I have not noticed any performance issues or noises but the check engine light is persistent and returns after less than 1 tank of gas (usually towards the end of the tank of gas). Took me 5 minutes to swap it out for the old one. Mar 18, 2015 · The DTC code of P0170 came back on my 1997 Mercedes C230. For example when the car is warm, it would shift the 1st gear at about 7-9 miles/hour smooth May 2, 2020 · Check eng light illuminated. Code P0170 Nissan Description. Other info on P0170 says that it is caused by Injectors, Diaphram Pressure regulator or engine ware. 1972 350SL 4. Jul 19, 2022 · What is the P0170 Code, and What Does It Mean? The P0170 is defined as “fuel trim malfunction, bank1. Aug 18, 2023 · Dealing with a P0170 code on my W202. Aug 21, 2024 · P0170 is a generic powertrain code, common across various vehicle makes and models. Try to fix the problem at the lowest cost first - cleaning the MAF. Additionally, diagnostic fault code P0170 is bank 1 specific , meaning that the improper fuel trim has been isolated to an engine’s #1 cylinder bank. Although I did find a TSB on that code and posted a SS of it for you. Customer: i have a p0170 code on my 2001 mercedes clk 55amg. I would be most appreciative of an Feb 13, 2012 · Intake air leak, injectors, diaphragm pressure regulator, engine wear. It has been refurbed recently. Over 35 years experience. Nov 20, 2024 · The dreaded OBD2 code P0170 in your 1999 Mercedes C230 can be a real headache. May 1, 2012 · I was looking through this tread because the p0170 code is showing up again. My crappy little code scanner didn't show anything odd in the freeze frame (it doesn't show the short-term fuel trim), the long term fuel trim was only -1%. 44. Customer: I get intermittent OBD code P0170 [Fuel trim Malfunction]. P0170 Code Mercedes. October 29, 2010. Now If I get rid of this code I will finally have that pesky check engine light. The other code is, as you know, for the camshaft solonoid(s). Vacuum leaks and low fuel pressure can also set the code as can overly rich mixture but the mass air flow sensor is the usual cause of the P0170. This is the ONLY code I got left. No any simptoms for bad MAF or codes. May 8, 2011 · 1999 mercedes c230 kompressor, i keep getting codes for a cylinder #2 misfire and p0170 but cannot find the prob. Learn to decode OBD-II code P0170 and fix long/short fuel trim issues like vacuum leaks and faulty sensors. Mercedes-BenzP0170 Mercedes-Benz DTC P0170 Make: Mercedes-Benz Code: P0170 Definition: Lambda Control (Fuel Trim) Malfunction-Bank 1) Description: Jan 11, 2010 · If same set of codes came back on after 5 km of driving. And the MAF would account for your symptoms, too. In writing this article I’ve added Mercedes-Benz-specific info since it seems that M-B (and VW) are most prone to having this P0170 surface along with misfire codes or other fuel trim codes. With the Air/Fuel Mixture Ratio Self-Learning Control, the actual mixture ratio can be brought closer to the theoretical mixture ratio based on the mixture ratio feedback signal from the heated oxygen sensors 1. For the time taken to check the K40, I'd do the obvious and start with the solenoid magnet itself - remove the engine front cover, and look at the big metal circular component with a single plug on it. Today it came back again. Vikakoodi P0170 tarkoittaa: Polttoaineen säädön toimintahäiriö (puoli 1). The fuel trim is the adjustment made by the engine control module (ECM) to the air-fuel mixture being fed into the engine. As i check the car i found the following erros. Oct 17, 2024 · P0170 | p0170 fuel trim bank 1 | p0170 code | p0170 hyundai | p0170 fordIn this video, we break down the P0170 error code—an issue that can affect the perfor Oct 8, 2011 · My CEL came on last weekend and I had the codes pulled. I have a code lookup. Until a week ago and the P0170 code is back, but no others. Sep 8, 2010 · I put my ODBII onto my car and have the following codes : P0170 P0300 P0301 Sometimes with a P after it PO302 Sometimes with a P after it Did an erase showed No Codes, so took it for a drive for 10 mins then checked it again, now with 3 codes : P0300, P0301, P0302 Also I have a BAS/ASR Light on Jul 12, 2024 · Marty, i am getting a code p0170 in a 2006 mercedes benz b200 vin P0170 code: fuel trim (bank 1) P0170 code — fuel trim issues explained – eeuroparts. Feb 21, 2011 · The code has always been the same, it is the code that is now imbeded in my mind 24 hours a day night weekends, my life is on hold due to this code P0170 P0170 fault code for fuel trim malfunction Bank 1 of 1 This code never goes away, I cleaned the MOT purge inlet/oulet, I cleaned my MAF, I replaced the AIR Filter, I replaced the GAS filler CAP. Jul 6, 2024 · By accurately diagnosing the root cause of the P0170 code, whether it is a defective sensor, vacuum leak, or fuel delivery issue, and resolving it effectively, you can restore the balance of your Mercedes’ fuel trim and maintain its performance and efficiency. I was interested to know if the oxygen sensors or the air filter was the potential cause of the code. Other culprits are intake and vacuum leaks, airbox/airstream obstruction, plugging cat, marginal O2 sensor and even a dirty air or fuel filter. The fix was also done by replacing MAF sensor. At 182k miles, I think the fuel filter has not been replaced yet. 9K views 3 replies 2 participants last post by kirill911men Jul 1, 2013 Apr 4, 2009 · Also, on the V engine configuration a fuel trim code on only one bank is almost never the MAF, more likely an O2 sensor, cat, vacuum leak, etc. I do not think P0170 is a MAF code, especially because i erased ALL codes, and then installed the NEW maf. Jul 11, 2024 · P0170 & P0356 codes. They gave me a print out that says: "P0170 Fuel Trim (Bank 1)". Apr 10, 2009 · It would just consistently throw a P0170 - I tried cleaning the MAF, cleaning the O2 temp sensor, changed the O2 sensor (upstream) and replaced every dang vaccum line under the hood - Id erase all codes and drive for maybe 2 minutes and the CEL would be back on again, and my OBDII would read P0170 again! I have a p0170 code on my 2001 mercedes clk 55amg. 5K views 11 replies 4 participants last post by megadamp Dec 6, 2012 Sep 12, 2019 · Code Tech Notes. I addition, the car shifts too quickly. OBD2 Code P0170 Honda definition: This code is one that surfaces with certain makes of automobiles more than others. i Hipo64 Work and diagnose electronics on daily basis. M/B lumps all Fuel Trim problems (both lean and rich) into codes P0170 and P0173. Any other suggestions? Thanks. Jun 10, 2012 · This link has a reasonable summary of causes of P0170 code. So Feb 13, 2015 · I am working on a 1998 C280 with roughly 120k miles. Officially, the ML320 would be exempt from the NLEV May 1, 2010 · Firstly I get a fault on the dashboard as the engine management light has illuminated however the car appears to be running and starting well, After about 2 weeks I borrow a code reader which comes up with P0170 and so Ive cleared the code and the car continues to run well. What should I check first? Could this code be related to the P0410? This CEL did come on after the car was worked on by a shop to replace the power steering pump. Hi, a P0170 is a fuel trim code indicating either too rich or too lean fuel mixture. Jun 17, 2013 · I diagnosed it and got codes P0170 P0173 P0455. P0170 Fuel Trim meaning that the MAF is telling the ECU to enrichen the engine and it's reached it's limit. Does it die Mar 11, 2011 · What exactly means rich or lean in a 2000 Mercedes s500 amg code - Answered by a verified Mercedes Mechanic. So, for the Camshaft Solenoid - that's very, very straightforward. Answered by Marty in 9 mins 15 years ago. Aug 27, 2020 · BenzWorld. the P0171-P0174 and P0172-P0175 codes are derived directly from Oxygen Sensor or Air-Fuel Ratio (AFR) monitor performance. In the generic OBDII DTC list with generic code descriptions, the P0170 code description is “Fuel Trim Malfunction, Bank One” and P0173 is described as “Fuel Trim Malfunction, Bank Two. How i fixed trouble codes Fuel trim bank 1and 2$0. 5 g/s at idle, around 5 g/s at 2500. on the bank that is triggering the code All that said, if the car is running fine you can always still have a pending (transient) code and the key is to mostly ignore them unless they trigger a cel. 1999 Mercedes C280 with OBD codes P0410, P0170 and P0173. vacuum leaks ok,fuel pump ok,air filter ok,car running fine. Ihave a2000 mercedes ml 320 i have 2 codes p0173 p0170 fuel trim malfunction can you please tell me what items cause Mechanic's Assistant chat Customer: hello again ihave a2000 mercedes ml 320 i have 2 codes p0173 p0170 fuel trim malfunction can you please tell me what items cause this and what i have to change to correct it Aug 17, 2012 · Fault code P0170 only Ran diagnostics as follows at operating temp Maf, air flow 1. If the mixture drifts too far out of balance, a code like P0170 is stored. Sep 29, 2017 · Mercedes-Benz owners may notice the check engine light plus P0170 and P0173 codes. That was enough for me to but a OBD2 reader and was monitoring the system. I got this Mercedes SLK230: Possible P0170 Code - Q&A E320 codes P0173, P0170, P0442 I have a Mercedes 2001 E320 with 200k miles in good mechanical condition. 1 to . 8% and - Answered by a verified Mercedes Mechanic. Hi, I am encountering a P0170 fuel trim code on my 2006 Mercedes B200. What Does the Code P0170 Mean? The P0170 code indicates a fuel trim malfunction in Bank 1 of the engine. P0170 Mercedes means there was a malfunction in the computer’s control of the air:fuel ratio. However, the car has a CEL for codes P0170 P0173. Aug 20, 2023 · Problem: Check engine, P0170. I have replaced all the vacuum tubing but still get this P0170 code. Me parece muy bueno y bien definido el artículo,de hecho ,,tengo esa falla en mi Mercedes clase A 140,w 168 del 2000,,no mantiene el ralentí,y cuesta arrancar, pueden ser una o varias causas en origen como bien indican ,y estoy en ello,en un cambio de aceite detecté que se pasaron en más de medio litro,y creo que ésta podría ser la causa del fallo,del sensor 1de O2(,la sonda Lambda Jul 23, 2009 · Get insights on fault code P0170 for your Mercedes-Benz, including diagnostic tips, maintenance advice, and local service options at RepairPal. Katsotuimmat autonkorjausvideot May 22, 2024 · I have a 1999 S320 W140 with only 11,000 miles on it, it is pristine except for this nagging P0170 code and a check engine light. To diagnose and repair fault codes in your Mercedes-Benz, you’ll need to employ the right tools and Cost to Fix P0170 Toyota. P0170 Code | Mercedes-Benz Forum Mercedes codes p0170 p0173 – mb medic P0170 fault code for fuel trim malfunction bank 1 of 1 OBD2 Code P0170 Citroen definition: This code is one that surfaces with certain makes of automobiles more than others. He cleared the codes and told me it's not gonna do anything and that if the CEL comes back is for me to take it back and they will replace the sensors. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! Oct 7, 2023 · Update : so I started with the codes above. A forum community dedicated to Mercedes SLK owners and enthusiasts. 00 Aug 19, 2023 · Problem: Check engine, P0170. The first was about 18 months ago, then under warrenty the second one about 9 months ago. keep in mind still no CEL. 5 - near Kingston, Ontario Save Share Dec 13, 2007 · hi guys i was geting engine check light cede was p0170 p0173 fuel trim bank1 and 2 and i order new maf air sensor from ebay for 120 whole unit when i installed engine check light gone car was runnig funny but still have code p0170 p0173 i clear code couple times stil same. Check sensor values. No real changes there. The P0803 is probably a result of the first code. After driving for a little bit, it went out. The problem could be that your fuel mixture is either too rich or too lean. Fix: Mercedes are common victims of the P0170, P0173 code but it looks very similar so far. Illuminated check engine light, but no other symptoms or driveability issues what so ever. 3L Problem: Check engine, P0170 Oct 29, 2010 · Mercedes-Benz / C230 / 1999 / Code P0170; Code P0170. Asked by 3njllc in Alexandria, VA on . Certified Master Technician,Certified in diesel & gasoline engines. org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive Jul 14, 2012 · These codes are generic codes and not specific to M/B. You can learn more about this process here. 7. 1 multiple broken vaccum hoses 2. org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. What does the code mean? OBD-ii Code P0170 definition: This code is one that surfaces with certain makes of automobiles more than others. Changed MAF, reset ECU and almost immediately eng check light came back, ECU test again, same codes returned. I will take you though the repair of both P0170 and P0172 - How to diagnostic the car problems and EASYLY fix it. I have been fighting this for a month. The fuel trim is a term used to describe the adjustment made by the ECM to the air-fuel mixture to maintain optimal combustion. P0170 Fuel Trim Malfunction (Bank 1) ) check vaccum leaks first or: P0171 System too Lean (Bank 1 In writing this article I’ve added Mercedes-Benz-specific info since it seems that M-B (and VW) are most prone to having this P0170 Mercedes surface along with misfire codes or other fuel trim codes. The MAF sensor is a crucial component of the engine management system, as it measures the amount of air entering the engine to calculate the appropriate amount of fuel needed for combustion. Plus do I have to take the EGR line off to get the throttle body off? The typical repair costs for a P0170 code on a Honda vehicle can range from $200 to $500, depending on the specific cause of the issue and the cost of parts and labor in your area. That's why the problem reappeared again. Jul 8, 2006 · Have Trouble Code P0170 Fuel Trim malfunction (Bank 1) on 97 SL320 75,000 miles. The cost of repairing a P0170 code on a Toyota can vary depending on the specific cause of the issue. While this may seem a little vague, it can lead you to the root cause so you can rectify the issue. The P0173 code for a Mercedes-Benz indicates a fuel trim malfunction in Bank 2. The P0100 code in a Mercedes-Benz indicates a problem with the Mass Air Flow (MAF) sensor. What's a problem? Thank You My car has 150000 miles. He told me the SLK has four. Nov 12, 2006 · P0170 is related to the MAF sensor (sometimes code P0173 comes on soon). I still have the CEL. Theoretically, these two codes mean the fuel mixture is too rich or too lean. Jan 11, 2013 · Codes P0170 and P0173 DOES NOT MEAN that you have a faulty MAF sensor as you already have found out. 1999 Mercedes-Benz C230. It came up with P0170 and P0173. 0. And the CEL is ON. (P0135) The code means that there is a problem with the heater element circuit of the heated oxygen sensor. RTam. Took the car to a local Atlanta dealer and they had it for a week diagnosing the problem to be passenger side catalytic convertor and a price tag of 1700. Below are the codes that are still present along with two new codes that decided to join the party: P0170 P0173 P0302 (cylinder two misfire went away and came back. Jan 5, 2004 · I just purchased a used c230 1997, the check engine is on, Checked it at an independent shop, the print out that he handed to me stated p0170 is the OBD II code. Orlando, where rust must be imported Orphans taken in, Notary Sojack y'all Sep 24, 2006 · I have the same 2 codes (P0170 & P0173). Jun 9, 2009 · I have a 2001 Mercedes S430. At AutoZone I saw it reading p0170 and p0136. The fuel trim number STFT is 0. Bosch Certified Master Tech. Aug 6, 2012 · My 98 Mercedes ML320 is throwing codes P0170 P0173 P0141 The P0170 P0173 have popped up before , but the went away the next morning I started the truck. Jun 11, 2008 · Just wanted to report and let you know a simple $20 fuel filter solved a P0170 (fuel trim bank 1) code and temp P0410 (secondary air injection code). Apr 17, 2010 · I have the dreaded P0170/P0173 codes after MIL illuminated with the added intrigue of this code: P0443 -- purge valve I've cleared the 3 codes 3 different times now and they all come back together. 9 Have checked for vacuum leaks, none as far as I can see. Save Share Reply P0170 is generic Fuel Trim (Bank 1) code… without proper diagnostic tools, like SDS Nov 30, 2021 · P0170 - Malfunzionamento del trim del carburante (bancata 1) P0170 - Fuel Trim Malfunction (Bank 1) Che cosa significa il codice di errore P0170? Questo codice di errore diagnostico (DTC) è un codice powertrain generico, il che significa che si applica ai veicoli dotati di OBD-II. 00 $. Pulled off the MAF and sprayed it down with CRC. With a code p0170 fuel trim bank 1. Nov 17, 2008 · With error codes P0170 Fuel Trim (Bank 1) and PO410 Secondary Air Injection System coupled with it being a cold morning I believe the MAF (Mass Airflow Sensor) sensor failure is at fault. Esto puede ser causado por un filtro de combustible obstruido, una bomba Jul 30, 2007 · If it's any help I had 0170 with a group of codes: 130 G3/4 (02-CAT front right) 170 Right cylinder mixture adaption reaches limit value 243 Air flap switchover actuator for compressor M16/7 Nov 3, 2010 · Codes P0170 and P0130 Jump to Latest 5. It specifically indicates a malfunction in the fuel trim for bank 1, which can impact engine performance and efficiency. It indicates that the PCM is either subtracting too much fuel (making the mixture too lean) or adding too much fuel (making the mixture too rich). The car was jerking and accelerating erratically. NOW the only code I have is the P0170 (Fuel trim malfunction bank one). com. Don’t let the bank 1 part confuse you. 0 hour of labor. Algunas causas pueden ser: Falta de combustible: Si el sistema de inyección no está recibiendo suficiente combustible, puede generar el código P0170. Car #4: 1998 Mercedes-Benz C230 2. Three codes, P0100, P0170, P0173 showed up recently. The specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Scanned ECU=code P0170 Fuel trim bank 1, P0173Fuel trim bank 2. Autohaus has a Bosch Sensor (0280217515) for $175. Note: Code P0170 is a generic code defined by the Society of Automotive Engineers (SAE). Hopefully that will solve the problem. Most of the time, these Mercedes-Benz fault codes are caused by a defective Mercedes Mass Air Flow Sensor (MAF) sensor . I would have the intake system smoke tested for vacuum leaks first. Oct 6, 2009 · What about code P0100, which specifically states MAF fault. May 12, 2017 · Even though there is no active CEL i decided to plug in a code reader and see if there are any faults. oqpxdl evxh fvhev jxv mdxjtd uczko kgn ltm wtux ehw