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1997 Chevrolet C1500 4.3L Misfire, MIL Lamp on
Posted to GM Driveability on 3/25/2001

help! we are having a little problem with this chev. we found two bad injector popet valves, so we replaced the injectors (the customer wanted all injectors replaced) this helped but, the motor is still missing under a load at about 3000rpm and higher. note: t...

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Message Closed w/FIX

car Vehicle Data

1997 Chevrolet C1500

VIN 1GCEC14W8V
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursAlways, Under Load

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

1997 Chevrolet C1500

VIN 1GCEC14W8V
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / CFI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursAlways, Under Load

Trouble Codes

P0300Multiple Misfire Detected