2000 Chevrolet Express 1500 5.7L Hesitation, MIL Lamp on
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....
FIX posted 8/6/2014
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Message Closed w/FIX
Vehicle Data2000 Chevrolet Express 1500
Trouble Codes
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Message Closed w/FIX
Vehicle Data
2000 Chevrolet Express 1500
VIN | 1GBFG15R8Y |
Engine | 5.7 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection / CSFI |
Emissions | OBD-II Compliant |
Symptoms | Hesitation, MIL Lamp On |
Occurs | Cold |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |
P0174 | Fuel System Too Lean (Bank 2) |