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1999 Chevrolet Silverado 1500 4.3L Hesitation, Misfire, MIL Lamp on
Posted to GM Driveability on 7/24/2008 7 Replies

This truck is sluggish on accel. and misfires at cruise. Iv removed the fuel pump there was slimmy darkgreen stuff on the filter of the pump so I replaced fuel pump and cleaned gas tank. Truck still has 50 psi of fuel pressure at fuelrail and 65 psi at the lin...

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  Related Documents & Media  1999 Chevrolet Silverado 1500

 
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Silverado 1500

VIN 2GCEC19W1X
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsHesitation, Misfire, MIL Lamp On
OccursOn Accel, Cruise

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Silverado 1500

VIN 2GCEC19W1X
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsHesitation, Misfire, MIL Lamp On
OccursOn Accel, Cruise

Trouble Codes

P0300Multiple Misfire Detected