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P0171 Diagnostic Trouble Code Discussion for December 2019

Fuel System Lean (Bank 1)


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Trouble Ticket Help Requests for DTC P0171
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