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2003 GMC Savana 3500 6.0L Misfire, MIL Lamp on
Posted to GM Driveability on 4/20/2005 11 Replies

random missfire code p0300 sets,intermittent missfire complaint, missfire history cly's #2,#4,#6,#8.all data good on freeze frame. #6 & #8 cly's have more history misses allready checked per iatn fixes, nothing found except ? #6 & #8 injectors. THANKS

FIX posted 6/2/2005

11 Replies Received (View Replies)

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car Vehicle Data

2003 GMC Savana 3500

VIN 1GDJG31U53
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / MPI
EmissionsOBD-II Compliant
SymptomsMisfire, MIL Lamp On
OccursUnder Load, Cruise, Intermittently
Misc.Cube Van

Trouble Codes

P0300Multiple Misfire Detected