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2002 GMC Envoy SLE 4.2L Hesitation, Stall
Posted to GM Driveability on 4/25/2018 23 Replies

P0171 returns on second key cycle. Engine bogs down on acceleration like transmission shifting issue. Customer had made multiple repairs before vehicle was brought in. Verified correct installation of throttle body, fuel pressure regulator, fuel pump, and ...

23 Replies Received (View Replies)

  Related Documents & Media  2002 GMC Envoy SLE

 
Message Closed w/FIX

car Vehicle Data

2002 GMC Envoy SLE

VIN 1GKDT13S12
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsHesitation, Stall
OccursOn Accel

Trouble Codes

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

car Vehicle Data

2002 GMC Envoy SLE

VIN 1GKDT13S12
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsHesitation, Stall
OccursOn Accel

Trouble Codes

P0171Fuel System Too Lean (Bank 1)