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1998 Chevrolet Express 2500 LS 5.7L Misfire
Posted to GM Driveability on 9/13/2007 20 Replies

Ok here it goes. Vehicle will start cold ok, after about 15- 45 seconds starts to skip on #7cyl and an occasion #3 and #4 but very rarely. You can mash the throttle and it cleans out but if you hold it at high ilde (anything above idle) after about 30 sec. sta...

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Message Closed w/Summary

car Vehicle Data

1998 Chevrolet Express 2500 LS

VIN 1GCGG25R3W
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursUnder Load, on Accel, Idle
Message Closed w/Summary

car Vehicle Data

1998 Chevrolet Express 2500 LS

VIN 1GCGG25R3W
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursUnder Load, on Accel, Idle