P0171 Diagnostic Trouble Code Discussion for November 2018
Fuel System Lean (Bank 1)
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| Help Request | Posted | |
| 2009 Chevrolet Cobalt LS 2.2L MIL Lamp on VIN: 1G1AK18HX9 P0171: Sytem lean bank 1. Gotta hair puller,keeps setting 0171 code,replaced b1s1 o2,plugs,air filter,1coil all due to codes, couldn't do evap service bay test as it sets 171 code almost immediately,changed torn air filter and maf sensor and maf harness,found broken wire, then will... |
November 02, 2018 | |
| 2006 Land Rover Range Rover HSE 4.4L MIL Lamp on VIN: SALME15466 P0171: Bank 1 lean. I have a 2006 HSE here that sets lean codes even as it sits idling. The only leak I find is EGR. When I spray carb cleaner on EGR, STFT goes negative to double digits. I looked at previous posts for this condition and some say the EGR leak is normal, not a... |
November 07, 2018 | |
| 2009 Hyundai Accent GLS 1.6L MIL Lamp on VIN: KMHCN46C19 Car runs great, swapped 02 sensor , ecm, no change. Hyundai tech line cant help. Inspected wiring and connectors |
November 12, 2018 | |
| 2006 Jeep Grand Cherokee SRT8 6.1L Stall VIN: 1J8HR78386 P0171: Fuel System Lean (Bank 1). I have this jeep that belongs to the brother of a coworker and it would stall randomly with no codes in pcm. had codes in tcm, abs, and fdcm for lost communication with ecm. I never got the jee to stall for me and all my sensors are reading ok so we got a ... |
November 15, 2018 | |
| 2012 Chevrolet Impala LT 3.6L Hesitation, Surge, Stall, MIL Lamp on VIN: 2G1WG5E30C P0171: Lean bank 1. ... light. Vehicle will run rough at idle for around 3 minutes then smooth out. It will hesitate on acceleration. Found P0171,P0174 for lean bank one and two. Fuel trims were + or - 5 % for short term and +26 and +37 for banks 1 and 2 long term. I checked ... |
November 20, 2018 | |
| 2006 Jeep Grand Cherokee SRT8 6.1L Stall VIN: 1J8HR78386 P0171: Fuel System Lean (Bank 1). I have this jeep that belongs to the brother of a coworker and it would stall randomly with no codes in pcm. had codes in tcm, abs, and fdcm for lost communication with ecm. I never got the jee to stall for me and all my sensors are reading ok so we got a ... |
November 20, 2018 | |
| 2007 Chevrolet Equinox LS 3.4L MIL Lamp on VIN: 2CNDL13F07 P0171: Fuel Trim System Lean (Bank 1). vehicle came in with p0171 lean code, running good still. found leak at lower intake manifold, repaired and retested with no leaks found. Lt fuel trim at 20. Downstream O2 reading 800mv which is rich but still getting Lean code, verified downstream is work... |
November 22, 2018 | |
| 2001 Dodge Dakota SLT 3.9L Stall VIN: 1B7HL2AX21 P0171: Fuel System Lean (Bank 1). vehicle has to run for approx. 30 minutes at idle before problem will develop. all system look normal before stall and cut out. ltft is near 0-3 when normal performance, but when problem develops/ it goes from normal to full blown jerk,cutout, stall in abo... |
November 23, 2018 | |
| 2009 Volkswagen Tiguan SE 2.0L MIL Lamp on VIN: WVGBV75N89 P0171: lean bank 1. *please read entire post, not a vacuum leak! setting lean code intermittently..fails basic setting 107 intermittently. basic setting 32 group 1..lamda learned value at idle 3.4 group 2..lamda learned value part throttle goes over 10 after short cruising.... |
November 27, 2018 |
