P0171 Diagnostic Trouble Code Discussion for December 2019
Fuel System Lean (Bank 1)
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| Help Request | Posted | |
| 2014 Chevrolet Impala LT 2.5L MIL Lamp on VIN: 1G1115SL2E P0171: System too lean Bank 1. Car came in with code P0171 stored, at idle in closed loop LTFT is +20%, short term stays around 0%. Checked oil cap & dipstick tube and no leaks were found. With engine at 2500 RPMs long term is about +10 and starts to climb, replaced MAF sensor with ... |
December 04, 2019 | |
| 2017 Toyota Camry LE 2.5L Poor Idle Quality, MIL Lamp on VIN: 4T1B11HK9J P0171: Lean. ... choose that year,car came in with a misfire symptom check for code and found p0171 system lean p117b-00 fuel performance direct injector it is really lean stft is about+29 desired fuel pressure for low side is 58psi lo... |
December 04, 2019 | |
| 2010 Nissan Sentra S 2.0L Hesitation, Surge, Cuts out, MIL Lamp on VIN: 3N1AB6AP0A P0171: System too lean bank 1. ... have a 2010 Nissan Sentra here in the shop that I could use the collective expertise of you Nissan guys. This car originally came in with a hesitation pulling away from a stop. The MIL was lit had P0303 P0300 P0171... |
December 05, 2019 | |
| 2005 Chevrolet Colorado Z85 LS 3.5L MIL Lamp on VIN: 1GCDT13615 P0171: Fuel System Lean (Bank 1). ... 3.5l with p0171 & p0300. Freeze frame data shows p0171 set at idle. LT trim goes to 24 and pretty much stays at idle. ST trim will usualy be just above 0. Cleared codes & reset trims & ST will start out high then... |
December 06, 2019 | |
| 2010 Nissan Sentra S 2.0L Hesitation, Surge, Cuts out, MIL Lamp on VIN: 3N1AB6AP0A P0171: System too lean bank 1. ... have a 2010 Nissan Sentra here in the shop that I could use the collective expertise of you Nissan guys. This car originally came in with a hesitation pulling away from a stop. The MIL was lit had P0303 P0300 P0171... |
December 06, 2019 | |
| 2011 Jaguar XF Premium 5.0L Surge VIN: SAJWA0GB3B P0171: lean bank 1. Thanks in advance, These are rare so I do not want to toss expensive parts at it. Misfire cold warms up and shows 15 fuel trims but runs ok, Smoke test shows nothing, hard to test fuel pressure, |
December 19, 2019 | |
| 2010 BMW 135i 3.0L Poor Fuel Economy VIN: WBAUC7C57A P0171: System too lean on bank one. Vehicle had history of repair from another repair facility... Both the map sensors had been replaced on arrival...and i Attached test equipment and found the above codes, and I remove the intake manifold and inspect the state of the valves and all the inta... |
December 27, 2019 | |
| 2016 Cadillac Escalade 6.2L MIL Lamp on VIN: 1GYS4GKJ2G P0171: lean bank one. ... camshaft went bad at 150000 instead of repair owner wanted used engine installed we got low mileage engine from a salvage yard i deal with all the time runs great but keeps thwrowing a p0171 p0174 no vacumn leaks tried new ac delco map sensor road test... |
December 31, 2019 |
