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2001 Chevrolet Silverado 1500 4.3L Misfire, MIL Lamp on
Posted to GM Driveability on 10/6/2010 42 Replies

Guys this one is driving me nuts. I have good fuel presure I think. My guage is bad but reads about 50lbs at idle, I know its supposed to be 60 but thats not that short. I have smoke tested this thing for vacuum leaks and didnt find any. I have a missfire on c...

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  Related Documents & Media  2001 Chevrolet Silverado 1500

 
Message Closed w/FIX

car Vehicle Data

2001 Chevrolet Silverado 1500

VIN 1GCEC149W1
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

2001 Chevrolet Silverado 1500

VIN 1GCEC149W1
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
P0174Fuel System Too Lean (Bank 2)
P0300Multiple Misfire Detected