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2000 Chevrolet Express 1500 5.7L Hesitation, MIL Lamp on
Posted to GM Driveability on 8/4/2014 24 Replies

When first started cold....will pop and sputter. Took on road test with fuel pressure gauge hooked up at full throttle will pop and back fire thru intake...fuel pressure will go to 61 psi and stay there until throttle released, then it will jump down to 52psi....

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  Related Documents & Media  2000 Chevrolet Express 1500

 
Message Closed w/FIX

car Vehicle Data

2000 Chevrolet Express 1500

VIN 1GBFG15R8Y
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / CSFI
EmissionsOBD-II Compliant
SymptomsHesitation, MIL Lamp On
OccursCold

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
Message Closed w/FIX

car Vehicle Data

2000 Chevrolet Express 1500

VIN 1GBFG15R8Y
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / CSFI
EmissionsOBD-II Compliant
SymptomsHesitation, MIL Lamp On
OccursCold

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)