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2014 Chevrolet Impala LT 2.5L MIL Lamp on
Posted to GM Driveability on 12/4/2019 20 Replies

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 GM p...

20 Replies Received (View Replies)

  Related Documents & Media  2014 Chevrolet Impala LT

 
Message Closed w/FIX

car Vehicle Data

2014 Chevrolet Impala LT

VIN 1G1115SL2E
Engine2.5 L / 4 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
Message Closed w/FIX

car Vehicle Data

2014 Chevrolet Impala LT

VIN 1G1115SL2E
Engine2.5 L / 4 cyl / GAS
Trans6-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)