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1999 Chevrolet Express 3500 5.7L Misfire
Posted to GM Driveability on 9/1/2006 8 Replies

truck came in with an engine missfire both at idle and under load. Secondary ignition was worn out so we did a maintenance tune up on the truck including cap, rotor, plugs, wires and filters. After tune we still had idle miss and fuel trim was high on right ba...

8 Replies Received (View Replies)

  Related Documents & Media  1999 Chevrolet Express 3500

 
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Express 3500

VIN 1GCHG39R9X
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / Vortex
EmissionsOBD-II Compliant
SymptomsMisfire
OccursHot, Idle

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

1999 Chevrolet Express 3500

VIN 1GCHG39R9X
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / Vortex
EmissionsOBD-II Compliant
SymptomsMisfire
OccursHot, Idle

Trouble Codes

P0300Multiple Misfire Detected