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2003 Chevrolet Express 2500 4.8L Misfire
Posted to GM Driveability on 11/28/2006 5 Replies

Good Morning everyone. We need some help on this one. Came in w/ a missfire code and Po351 coil circuit code. Van needed tune up, all looked original. We did the tune and replaced #1 cyl coil just for insurance. Came back w/ both codes again. We test drove and...

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  Related Documents & Media  2003 Chevrolet Express 2500

 
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Express 2500

VIN 1GCGG2SV63
Engine4.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursIntermittently

Trouble Codes

P0300Multiple Misfire Detected
P0351Ignition Control Module Circuit 1 Malfunction
Message Closed w/FIX

car Vehicle Data

2003 Chevrolet Express 2500

VIN 1GCGG2SV63
Engine4.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursIntermittently

Trouble Codes

P0300Multiple Misfire Detected
P0351Ignition Control Module Circuit 1 Malfunction