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2003 Chevrolet Express 2500 6.0L Misfire
Posted to GM Driveability on 1/24/2018 19 Replies

when vehicle starts misfiring it is #6 cylinder,then it will clear up and go back to misfiring, I have wiggled ele harness and connectors, all injectors flow the same,10 psi drop, injector pattern is good during misfire ,injector on time is same as # 8 cyl I s...

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  Related Documents & Media  2003 Chevrolet Express 2500

 
Message Closed w/Summary

car Vehicle Data

2003 Chevrolet Express 2500

VIN 1GCGG25U33
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / sefi
EmissionsOBD-II Compliant
SymptomsMisfire
OccursHot, Intermittently
Message Closed w/Summary

car Vehicle Data

2003 Chevrolet Express 2500

VIN 1GCGG25U33
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / sefi
EmissionsOBD-II Compliant
SymptomsMisfire
OccursHot, Intermittently