P0170 bmw code. Look for flexible tubing with clamps at both ends.

P0170 bmw code Learn what Fuel Trim Bank 1 means, location and how to repair. LEER SOLUCIÓN DEL CÓDIGO O Jul 17, 2013 · That is a lean code on bank 1 (cylinders 1-3 which are the first three starting from the bumper working toward the firewall) Most common causes are vacuum leak most often at the throttle body intake boots or DISA valve. First off I have a 04 330ci. In inpa, I have lambda control tolerance too big for both bank 1 and 2. Doesn't really list a cause just that the whole fuel trim system on bank Jun 21, 2025 · Que signifie le code défaut P0170? Le code de diagnostic (DTC) P0170 correspond à une « anomalie de la correction de carburant (rangée 1) ». In certain cases, it can cause ignition failures and emissions violations, but rarely directly affects the safety of driving. Here's exactly what you need to do to fix it. Most recent fix cost me $1000 (oh that hurt man), had all 8 spark plugs and both sides' valve cover gaskets changed. I bought new Bosch 02 Jul 17, 2013 · That is a lean code on bank 1 (cylinders 1-3 which are the first three starting from the bumper working toward the firewall) Most common causes are vacuum leak most often at the throttle body intake boots or DISA valve. Check for cracks, tears, or loose clamps that cause vacuum leaks, leading to rough idling or reduced power. Recognizing these symptoms can prove quite valuable when attempting to expedite the affected vehicle’s return to service. ” This code indicates that your car’s fuel trims have reached their operational limitations (maximum rich or maximum lean). Because the car had oil leak at valve cover gasket (I Jul 19, 2022 · What causes the P0173 code to activate? What are its symptoms? How can you repair this DTC? Know everything in detail about the P0173 code! Repair Information for P0173 BMW code. Dec 27, 2024 · P0170 code indicates a fuel trim malfunction in Bank 1, affecting engine performance and fuel efficiency. Síntomas, causas y soluciones! ☝ Este código DTC afecta al MOTOR Y TREN MOTRIZ, pero, ¿Dónde exactamente? Entra! The cost of diagnosing the P0170 BMW code is 1. One such code that BMW drivers may encounter is the P0172 code, which is related to the fuel system. Jun 15, 2021 · Hello, I am new to this website I have a 1997 bmw z3 1. May 18, 2016 · NOTE #1: Diagnosing code P0107 requires that the engine be in perfect running condition. The technician forgot to share the fuel trims reading, but I would suspect there were in the acceptable range. Dec 27, 2024 · Catching the P0173 code early is crucial, as it can mask a deeper issue that, if left unaddressed, will wreak havoc on your engine's performance. The fuel trim is the adjustment that the engine control module (ECM) makes to the air-fuel mixture to ensure optimal combustion. Most vehicles won’t set this code but may set other P017x codes. . CCV has been replaced. Our efforts at Maxidot s. Regular inspection and replacement of damaged I have a 328 from 98. The fuel trim is a term used to describe the adjustment made by the ECM to the air-fuel mixture to maintain optimal combustion. I Jul 9, 2009 · Still have P0170 code pending, but not sure if the system needs time to adjust to the new situation! I'll test the fuel rail pressure when I can rig up a test guage, just in case the fuel pump is weak. My car has 66k miles. At Bimmerforums, you will find technical how-to information maintenance specifics audio advice wheel and tire combinations and model specific details not found anywhere else. The behavior of the car is such that during idle at stop lights I have troble codes p1188,p1189,p0170,p0173 are these related to the O2 sensors and is this somthing i can do my self? How to fix P0170 Code: Fuel Trim Bank 1Fuel trim is the adjustment made by a vehicle’s Engine Control Unit (ECU) to maintain the optimal air-fuel mixture for Nov 19, 2007 · Guys, About a 10 days ago I left my car idling from a cold start in my driveway for about 5 minutes to warm it up. 1K subscribers Subscribe Feb 26, 2011 · Meter was still showing the original codes of P0170, P0713. Aug 14, 2011 · 1998 BMW 740iL 190k miles need help on 2 codes P0170 & P0173 MAF or/and intake leak??? rough idle Jan 6, 2015 · My SES light is on. I clean the MAF sensor every year. And, I have burning fail on cyl 4,5, and 6. Before I had random cylinder missfires but they went away for now. The auto repair’s diagnosis time and labor rates vary by location, vehicle’s make and model, and even your engine type. The rpm fluctuates considerably between 1000rpm and 500 and the car vibrates considerably. I have been changing parts trying to fix the problem. Aug 14, 2020 · Ok so update, I got whole bunch of funky buisness going on now. Le Feb 26, 2011 · Meter was still showing the original codes of P0170, P0713. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm May 22, 2025 · Modern vehicles can monitor air-fuel ratios, triggering diagnostic trouble codes if combustion efficiency declines. What are the possible causes of a P0170 code on a BMW? Potential causes include a vacuum leak, faulty oxygen sensor, clogged fuel filter, fuel pump issues, mass airflow sensor problems, or a malfunctioning fuel injector. Aug 3, 2017 · BMW 318i ツーリング（E46・M43）のエンジン警告灯が初めて点いたのは3年前。ELM327で消しながら使っていたのですが、最近は消してもすぐに点くようになりました。今年から車検が厳しくなって、警告灯が点いていると車検が通らないとの Mar 31, 2012 · 2000 BMW 528i 190,000 miles Have these codes: P0173 Fuel Trim Malfunction Bank2 P0170 Fuel Trim Malfunction Bank1 P1189 Manufacturer Control Fuel Air Metering P1188 Manufacturer Control Fuel Air Metering Sometimes the first two codes come up 1st, other times the last 2 will come up 1st. The codes are as follows; P1188 - Fuel Control Bank 1 Sensor 1 P1189 - Fuel Control Bank 2 Sensor 1 P0173 - Fuel Trim Malfunction (Bank 2) This is a 1997 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. Repair Information for P0170 BMW code. To locate it, open the hood and trace the air filter housing to the engine. 8K subscribers 374 Feb 15, 2020 · Check engine light. This means that the engine control module (ECM) has detected that the fuel system is running too lean or too rich, causing an imbalance in the air/fuel mixture. I was told the maf was at fault so i bought a new one. Detailed information on troubleshooting and repairing a P0173 DTC code which refers to a fuel trim malfunction on Bank 2. Learn more about his background. Any other codes present, and especially codes relating to crankshaft and camshaft position sensors, misfire, vacuum, catalytic converter, or fuel pressure related issues must be resolved before starting to diagnose code P0170. I'm going to put in a new fuel filter since its as far as I know the factory unit with 165000 miles. Recognizing these symptoms is important for effective diagnosis: May 29, 2024 · Diagnostic trouble code (DTC) P0170 stands for “Fuel Trim Malfunction (Bank 1). May 23, 2011 · So it's really been a long time that my car, 1998 e38 740i, is having the fuel trim issues and service engine light on, codes p0170, p0173. What is a P0170 Code? The P0170 code is a generic code that points an issue with the fuel trim system on Bank 1 of the engine. P0170 BMW means there was a malfunction in the computer’s May 26, 2022 · The P0170 code can affect the vehicle's performance, including fuel economy, power, and engine stability. Popular BMW 1 Series fault codes along with an explanation of their meanings. it had 11 codes and I did a tuneup and cleared all of the misfires with it. Throws code p0170 fuel trim malfunction and a couple others which stupid me I forgot. This video was made using my BMW 3 Series E46 using a smoke machine to help trace down unmetered air leaks that can cause a check engine light and mixture too lean faults such as P0170 and P0173 Detailed information on troubleshooting and repairing a P0170 DTC code which refers to a fuel trim malfunction on Bank 1. Aug 21, 2024 · The P0170 code indicates a fuel trim malfunction in Bank 1 of the engine. Vacuum leaks, faulty oxygen sensors, dirty fuel injectors, and malfunctioning Mass Air Flow sensors are common causes. This article provides an in-depth analysis of the code, its implications, and steps for diagnosis and repair. Parts replaced are as follows: 02 sensor pre cat Vacuum lines, smoke test done after, no leaks Secondary air pump hose Crankcase ventilation hose Fuel pump and filter Cleaned maf Anyway, I got a veepeak obd scanner today. I hope someone can help me here. Im getting roughly 2% on short term and -19% on the long term. Am I right or wishful thinking? The car will stumble, the RPM jolt up Jan 21, 2012 · I have a 1998 BMW 540i just change all 4 Oxygen sensors,Purge Solonoid which is the Fuel Tank evap Breather Valve since I had a code for that also so I drive around and I get P0170 and P0173 2 codes I trign to get the light to come off is been driving me crazy I had it a while now so if anyone What does it mean if the P0170 code is of medium risk? A medium-risk level for the P0170 code indicates that the fuel trim malfunction is not immediately causing severe engine damage, but it may lead to noticeable performance issues if left unresolved. 000 km. Yesterday morning it came on again about 1 minute after startup (but Sep 20, 2013 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. Learn what Fuel Trim Malfunction Bank 1 means, location and how to repair. I know this is bad and my check engine light came on. After running an OBD II check on the car's computer I came out with the following four codes: -P0170 (Fuel Trim-Bank 1) -P0173 (Fuel Trim-Bank 2) -P1188 (Fuel Control- Bank 1 Sensor 1) -P1189 (Fuel Control- Bank 2 Sensor 1) Is there any one who can help me with these codes as to Jul 8, 2016 · We recommend Torque Pro Table of Contents What Does Code P0170 Mean? What are the common causes of code P0170 ? What are the symptoms of code P0170 ? How do you troubleshoot code P0170 ? Codes Related to P0170 Get Help with P0170 What Does Code P0170 Mean? OBD II fault code P0170 is defined as “Fuel Trim Malfunction (Bank 1)”, and is set either when the PCM (Powertrain Control Module Apr 29, 2010 · SAE Code P0170 DTC Code 16554 Description Fuel Trim, Bank1 Malfunction check for vacuum leaks, o2 sensor, and maf EDIT: i got beat by the ninja post. Aug 19, 2024 · The P0170 code for Hyundai vehicles indicates a problem with the fuel trim on bank 1 of the engine. Fuel trim refers to how much fuel is added or subtracted by the engine control unit (ECU) to maintain the ideal air-fuel mixture. Car runs great one minute then it limps along Vous avez effectué le diagnostic de votre véhicule et le code défaut DF001 0115 apparait sur votre voiture ? iCarsoft France vous explique à quoi correspond ce code défaut et comment le supprimer. It took a few weeks on and off to diagnose and with Christmas and weather, I didn't rec Code : P0170 Make : BMW Description : P0170 BMW Fuel Trim Bank 1 Possible causes : – Intake air leaks – Faulty front heated oxygen sensor – Ignition misfiring – Faulty fuel injectors – Exhaust gas leaks – Incorrect fuel pressure – Lack of fuel – Faulty Mass Air Flow (MAF) sensor – Incorrect Positive Crankcase Ventilation (PCV) hose connection Solutions : – Carry out a Reset Feb 11, 2010 · I have a 2000 528i and I've been getting these exact same codes for almost a year. What do I need to replace tt get the codes erased? P0170: Fuel Trim (Bank 1) | Trouble Code: Diagnose Symptom Cause Explain Fix P0170 Code Explained: Fuel Trim Malfunction (Bank 1) In this video, we break down the P0170 diagnostic trouble code Te suministramos todo lo que necesitas saber sobre el código DTC P0170 Descripción, causas, síntomas y posibles soluciones. I've looked for vacuum leaks, changed O2 sensors, replaced the MAF and changed fuel BMW 318i SE (2000 E46) MIL light on, Code P0170 Fuel trim bank 1. The LTFT reading is at about +20% for both banks. And this was the problem, it was a oil intake hose that was broken that connects to the base of the oil dip stick. What Does BMW P1188 Code Mean? The BMW P1188 code is a diagnostic trouble code (DTC) that indicates a problem with the fuel control system in Bank 1 Sensor 1. Sep 5, 2024 · The P0170 code indicates a fuel trim malfunction in Bank 1 of the engine. P0170 is gone now but now I have p1188 and p1189. #maxidot #dtc #howto #diagnostictroublecode #bmw Make: BMW Code: P0170 Definition: Fuel System Malfunction (Cylinder Bank 1) Description May 23, 2024 · The P0170 trouble code technically means "Fuel Trim Malfunction (Bank 1)". It was checked on vacuumleaks by pressuretool Aug 19, 2024 · Diagnostic trouble code (DTC) P0173 stands for “Fuel Trim Bank 2. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm BMW P0172 Code : Mixture Control System Too Rich Bank 1 As a car owner, it’s important to be aware of any diagnostic trouble codes (DTCs) that may appear on your vehicle’s dashboard. I have a fuel trim code (P1170 and P0170). r. May 22, 2017 · Hi, I haven't been able to find a solution about this specific situation because most people have p0170 and p0173 at the same time, not just one. When this code is triggered, it can lead to poor engine performance, decreased Dec 2, 2008 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. La correction de carburant (ou compensation de carburant) désigne les ajustements que le PCM (module de commande du groupe motopropulseur) effectue en temps réel sur le mélange air-carburant du moteur pour assurer un fonctionnement optimal. By the end of this article, you will have a better understanding of how to get your BMW running smoothly again. History: For over a year the car would run rough and stall once every morning 1 minute after stating up. Car: BMW E46 318i from Oct '98 (yes, one of the first E46's ). Regular inspection and replacement of damaged Im getting a bunch of engine codes and can't figure out whats the real problem. LEER SOLUCIÓN DEL CÓDIGO O Jun 29, 2014 · Other than P0170/P0173 codes and high gas mileage (probably shouldn't blame since most my drive is short distance), this car is beautiful! (forgive about what PO tried to cover his assES like CEL, both rear windows regulator, sun roof, broken bumper, rear/brake lights, radio intermittent auto-shutoff especially FM/Tape, A/C all lights Fault code P0170 is a generic EOBD code that indicates problems with the fuel-air mixture in bank 1 and can occur in vehicles with lambda control, but is most common in the following vehicles: Audi: A3, A4, A6, Q5 (2005-2015) BMW: 3 Series, 5 Series, X3, X5 (2006-2014) Mercedes-Benz: C-Class, E-Class, GLK (2007-2016) Volkswagen: Golf, Passat, Tiguan, Touran (2008-2017) Ford: Focus, Mondeo Jan 11, 2013 · I had the same 4 codes for my 97 BMW 528i - P0173, P0170, P1189, P1188, my smok check failed big time because of this. Understanding this code provides insight into engine performance issues tied to poor combustion. o. Oct 10, 2021 · Hi guys, First of all sorry if my English is not so good. Aug 19, 2023 · The P0170 code indicates that there is a problem with the fuel trim system on Bank 1 of the engine. 2L supercharged six cylinder with trouble codes P0170 and P0173. I turned the car off and back on, the light went away. I took apart the area where the MAF sensor was, blew it out, and put it back together. Read on to learn what causes a P0170 code and how to fix it. When the sensor detects a lean condition, meaning there is too much oxygen Sep 7, 2024 · The P1188 BMW code indicates a problem with the Fuel Control for Bank 1 Sensor 1. I also have lambda control block on banks 1 and 2. I got a P0171 code and P0174 code about 2 months ago. Nov 28, 2010 · Hello Everyone, I recently purchased an 2000 BMW 528i, and a week after I bought it, the check engine light came on. I changed I have a 328 from 98. Feb 4, 2019 · What's covered: a simple check for vacuum leaks, a simple remedy, how engines actually work, and fuel injection basics on an Ecotec engine (plus a little hum Feb 11, 2010 · ok guys don't kill me too much i'm new to bmw world. Cause: Air leaks after the MAF sensor, or leaks in the PCV systemExhaust leaks before What does the P0170 code mean? The P0170 code is a diagnostic trouble code (DTC) that signals an issue with the fuel trim system on Bank 1 of your engine. Which has been on for a few thousand miles before the misfires started. This means that there is an issue with the air/fuel ratio being delivered to the engine by the fuel system. I get one and only fault code: P0170 Fuel Trim Malfunction (Bank 1). Mar 2, 2013 · I managed to take care of the code P0301 due to bad 1st cylinder ignition coil - Thank you everyone from this great forum!! From my research, P0170, P0173, P1188, and P1189 are all have to do with the crank case vent hose. It showed codes: P0170 Definition meaning and fixes Hyundai P0170 : Fuel Trim Bank 1 Diagnostic Trouble CodeWhat is a Fuel Trim? A fuel trim is the adjustment the engine computer m The engine boot, typically a rubber or silicone hose, connects the air intake to the throttle body or turbocharger. Fixed by replacing the MAF sensor. It took it another garage where diagnosis was done and fault came out with this message and code; P0170, check fuel supply system. Sorry if it's a bit cobbled together. Feb 5, 2016 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. I bought a code scanner and got p0171, p0174, p1083, and p1085. Fuel trim refers to the adjustments the ECU makes to the air-fuel mixture to ensure optimal Dec 9, 2008 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. Common causes of the P0170 code include contaminated engine oil, a leaking injector, and excessive fuel May 13, 2025 · In this blog post, we’ll break down what a P0170 code means, its common causes, symptoms, and practical steps to fix it. The code is logged once the fuel trim mixture has become abnormally lean. Come join the discussion about Bimmerfest events, BMW production numbers, programming, performance, modifications, classifieds, troubleshooting, maintenance, and more! P0170 BMW Fuel Trim Bank 1 Possible causes – Intake air leaks – Faulty front heated oxygen sensor – Ignition misfiring – Faulty fuel injectors – Exhaust gas leaks – Incorrect fuel pressure – Lack of fuel – Faulty Mass Air Flow (MAF) sensor – Incorrect Positive Crankcase Ventilation (PCV) hose connection Tech description What does this mean? OBD2 Code P0170 BMW definition: This code is one that surfaces with certain makes of automobiles more than others. Learn about the P0170 code in BMW X4 M, its causes, symptoms, and how Mavyn can help you resolve it. ef09 Code p0170 fuel trim bank 1 - Where to begin your diagnosis for rich or lean / P0170 and P0172 Is the fuel trim bank 1 lean or is the fuel trim bank 1 rich? Lets find out. Took the car to shop lots of times. This code is specific to BMW vehicles and is related to the air/fuel ratio sensor, which is responsible for monitoring the amount of oxygen in the exhaust gases. They were misfire codes naturally and a second fuel related code. And now I am getting "pending codes" P1188, P1189, P0304 (cyl 4 misfire detected), P0305 (cyl 5 misfire detected), P0306 (cyl 6 misfire detected). We went ahead replacing the fuel pump and May 29, 2019 · In this video Ozzstar diagnosis a 1998 BMW M3 E36 3. This means that the Engine Control Module (ECM) has detected that the air-fuel mixture is too lean or too rich. Air vacuum leaks, exhaust leaks, bad O2 sensors Jan 3, 2024 · The OBD-II fault code P0170 means that the Powertrain Control Module has reached its operational limit with adjusting the air to fuel ratio, resulting in an incorrect fuel mixture for combustion. What is BMW P0171 fault code? Aug 20, 2023 · P0170/P0173 BMW Car #1: 1999 BMW 740iL 4. I have been fighting this for a month. ” This means that the fuel trims in your vehicle have reached an abnormally low or abnormally high value for a specified amount of time. Look for flexible tubing with clamps at both ends. Read the article to know possible causes, symptoms, and descriptions. a few weeks ago I got the codes p0170 and p0173 (malfunction bank 1+2) I also got misfires in all cylinders. What requires attention etc?? 🔥 Código P0170: Qué Significa y SOLUCIÓN【Actualizado 2025】🔥 Automotive Mechanic PRO 34. As I was scanning them and turned the car on when another popped up after a moment of idling. I checked the map sensor and maf sensor theyre both Mechanic's Assistant chat May 20, 2009 · I have a 1997 bmw 528i got four codes p0170 fuel trim bank 1 p0173 fuel trim bank 2 p0500 speed sensor A and p1519 idle speed control Does anybody know what is the promblem exactly? Jul 30, 2008 · I have a 1998 528i and am getting the CEL codes are reading P0170 fuel trim malfunction (bank1) and P0135 O2 sensor heater circutmalfunction (bank 1 sensor 1). I bought my E46 from 2000 2 years ago with 170. 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 Mar 26, 2017 · For some time now I have repeatedly had a check engine light and the following codes: P0171 Bank 1 system too lean P0174 Bank 2 system too lean Everytime I erase the codes, they return in about a week. Fuel trim refers to the adjustments the ECU makes to the air-fuel mixture to ensure optimal combustion. BMW P0173 Code: Fuel Trim Malfunction Bank 2 The BMW P0173 code is a fault code that indicates a fuel trim malfunction in bank 2 of the engine. 0 hour of labor. Also includes links to relevant forum topics on the code. I decied to buy a peake tool and low an behold it showed fault code for exhaust sensor. The generic error code P0170 appears when there is a significant problem and mechanical malfunction in your vehicle’s fuel trim in Bank 1. Codes: p1250 p1188 p0170 | BimmerFest BMW Forum Home Forums BMW Model Discussions Z Series E36/7 Z3 (1996-2002) Apr 3, 2020 · I have done everything! I have a 2003 bmw e39 530i with 197k miles on it. But the p0170 n p0173 are still on they are fuel trim bank 1 n 2. This means that the ECM is having difficulty maintaining the optimal air-fuel mixture of 14. 4L Problem: Hesitation, Surge, Misfire, Check engine light, P0170, P0173, P0139 Fix: The engine pops in the intake manifold when under heavy load. Mar 27, 2020 · Troubleshooting a P0170 code. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm May 16, 2025 · OK, I got no results from my original question, so did some research and self learning so will be posting my results May 19, 2010 · 2003 BMW 525i, 110k 2 weeks ago my "Service Engine Soon" light came on, so I downloaded the codes from an OBDII reader: P0170 P0171 P1083 P1085 I replaced the spark plugs and air filter since they were the "originals" (not related to codes). Learn about the BMW M2 P0170 error code, its causes, symptoms, and how Mavyn can help you resolve it with AI and human expert support. Find out what you can do next to solve the problem you are experiencing. Mar 26, 2012 · A forum community dedicated to BMW owners and enthusiasts. Need Help with the Code? Get the P0171 BMW code diagnosed by a professional: Find a repair shop in your area About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. From beginning the engine light came up and off with code P0173 and P0170 (Fuel trim bank 1 and 2) but the car was driving perfectly. 7:1, either due to too much fuel (rich condition) or not enough fuel (lean condition). P0171 BMW fault code symptoms, causes, diagnostics, and fix. 9l and I have searched and search for this issue and nothing has come up. I have a BMW X1 2016, shows codes p0440, p0446, p0170 and p112f. The code reader says this is a Fuel Trim Malfunction - Bank 2. When it arrived, it had an engine line on and was advised that it could be that it was due for service. P1188 - Fuel Control Bank 1 Sensor 1 P1189 - Fuel Control Bank 2 Sensor 1 P0170 - Fuel Trim Malfunction (Bank 1) P0173 - Fuel Trim Malfunction (Bank 2) I've had these for so long I was starting to think my reader was broken. the video content gets better. I checked the short and long term fuel trim. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm Apr 26, 2023 · Recently I have had problems with lean codes. Engine: M43TU The following Fault Codes appeared in my PCM Scan software: P0300 Random/Multiple Cylinder Misfire Detected P0301 Cylinder 1 Misfire Detected P0130 O2 Sensor Circuit Malfunction (Bank 1 Sensor . Descubre cuál es el código de falla P0170. The fuel system status is in a closed loop. It BMW 318i SE (2000 E46) MIL light on, Code P0170 Fuel trim bank 1. Sep 15, 2023 · Related: Code P0170, Code P0171, Code P0174 Symptoms of Code P0173 Diagnostic fault code P0173 is often accompanied by a host of secondary symptoms, some of which tend to be more noticeable in nature than others. This can lead to a variety of symptoms, including poor fuel economy, rough idling, and Make: BMW Code: P0170 Definition: Fuel System Malfunction (Cylinder Bank 1) Description: The engine is running in a closed loop at a stable engine speed, and the DME detected the lean or rich fuel trim correction valve was more than or less than a calibrated limit. Fortunately, there are several possible causes and solutions for this issue. Still throwing p0340. What Does the Code P0170 Mean? As indicated in the full error output message, a code P0170 points to a fuel trim malfunction. A proper fuel mixture is needed for a combustion engine to burn fuel without leaving behind excess air. This thing is really inconsistent, and so far drivability seems normal except for a bit of a throttle hand with the I have a BMW X1 2016, shows codes p0440, p0446, p0170 and p112f. Learn what Fuel Trim Malfunction Bank 2 means, location and how to repair. Aug 19, 2023 · P0170 Meaning The P0170 code indicates that there is a problem with the fuel trim system on Bank 1 of the engine. What else could be the cause? Definition meaning and fixes Hyundai P0170 : Fuel Trim Bank 1 Diagnostic Trouble CodeWhat is a Fuel Trim? A fuel trim is the adjustment the engine computer m The engine boot, typically a rubber or silicone hose, connects the air intake to the throttle body or turbocharger. P0170 Fuel Trim Malfunction Bank 1 🟢 Trouble Code Symptoms Causes Solutions OBD CODE 13. Jun 5, 2009 · Hi, I recently purchased a BMW 318i series, 2,000 model. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm The P0170 code often appears alongside other codes, frequently related to the P0300 series, and can produce a range of symptoms. If you’re experiencing this issue, it’s essential to understand the meaning, causes, symptoms, and fixes May 16, 2025 · OK, I got no results from my original question, so did some research and self learning so will be posting my results May 19, 2010 · 2003 BMW 525i, 110k 2 weeks ago my "Service Engine Soon" light came on, so I downloaded the codes from an OBDII reader: P0170 P0171 P1083 P1085 I replaced the spark plugs and air filter since they were the "originals" (not related to codes). P0300 p1342 p1344 p1346 p0170 bmw e46 325ci - Answered by a verified BMW Mechanic Hi There, Just new to the forum and tried to search my answer but no luck unfortunately. Oct 28, 2025 · BMW code 3100 often indicates issues with the engine control module (ECM/DME). Learn what triggers code 3100, potential causes, and how to diagnose and fix it. car runs fine. I just purchased a 2001 740il n love it. On some vehicles, it can mean that there’s an overly rich mixture. What do I need to replace tt get the codes erased? Jun 21, 2023 · The last three codes you listed indicate a problem with the accelerator pedal angle sensor. The symptoms were stalling and loss of Code P0170 BMW stands for Fuel Trim Bank 1. P0170 indicates an improper fuel trim or air/fuel mixture in the engine, signaling poor combustion and reduced efficiency. 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 BMW surface along with misfire codes or other fuel trim codes. Mar 27, 2012 · Car is a 1999 bmw 323i. The behavior of the car is such that during idle at stop lights I have troble codes p1188,p1189,p0170,p0173 are these related to the O2 sensors and is this somthing i can do my self? Nov 19, 2007 · Guys, About a 10 days ago I left my car idling from a cold start in my driveway for about 5 minutes to warm it up. Malfunction monitoring conditions The fault is Te suministramos todo lo que necesitas saber sobre el código DTC P0170 Descripción, causas, síntomas y posibles soluciones. Yesterday morning it came on again about 1 minute after startup (but Jul 7, 2014 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. 103308 - P2138 Information saved in DME Fault code 103308 - P2138 Fault text Throttle/Pedal Position Sensor/Switch 'D' / 'E' Voltage Correlation Fault description Diagnosis monitors the voltages of both pedal position sensors with respect to each other. P0170/P0173 Audi Sep 28, 2013 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. May 13, 2025 · What is a P0170 Code? The P0170 code is a generic code that points an issue with the fuel trim system on Bank 1 of the engine. What requires attention etc?? - Answered by a verified BMW Mechanic Jul 7, 2014 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. Many are telling me to change the 02 sensors but which ones the Dec 6, 2011 · I replaced it 3 times, the last being a genuine 1 from sytner bmw. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm Explore the P0170 OBD-II code for fuel trim issues: learn common triggers like vacuum leaks and MAF sensor faults, along with diagnostic tips at RepairPal. In this article, we will explore the meaning of the P0170 code, its common causes, symptoms, and fixes. When the full service was done the light still came on. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm Mar 17, 2021 · The wife came home today with three codes. A P0170 code indicates fuel trim problems on bank one. I already Apr 26, 2022 · Has the P0174 BMW code popped up after an OBD2 scan? Don't worry; our detailed article has everything you need to know to solve this trouble code! Jul 17, 2006 · Just got a P0173 error code. Jul 25, 2019 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. Jun 28, 2023 · Learn about BMW fault code P0171 - bank 1 too lean. Interestingly, I was able to Aug 21, 2022 · Repair Information for P0170 code. Despite new O2 sensors and no vacuum leaks, rapid O2 sensor switching suggests possible intake manifold gasket leaks or faulty mass airflow sensor. Now I have p0150, p1188,p1189, p0173, and p0170 codes that come up. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm El código P0170 es común en: BMW E36, BMW E39, BMW E46, Chevrolet Chevy, Ford F-250, Honda Accord, Honda Civic, Honda CR-V, Hyundai Elantra, Hyundai Santa Fe, Hyundai Sonata, Hyundai Tucson, KIA Spectra, KIA Sportage, Land Rover, Mercedes-Benz, Mitsubishi, Opel y otras marcas. echhvso xows lyf ryhepu aowafb laq hvyil rkmzap vewngg yrpoz kvbpo gfrf ctrw axhb mdmatr