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1998 GMC Savana 2500 5.0L Misfire
Posted to GM Driveability on 6/25/2009 14 Replies

Came in 2 months ago with misfire complaint in a.m. Tuned engine and cleaned injectors. Customer says still doing it but now he has white smoke out tailpipe and antifreeze smell. Verify misfire codes and history shows mostly cyl 1 and 3. Pulled plugs and 1 and...

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  Related Documents & Media  1998 GMC Savana 2500

 
Message Closed w/FIX

car Vehicle Data

1998 GMC Savana 2500

VIN 1GTFG25M4W
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursCold

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

1998 GMC Savana 2500

VIN 1GTFG25M4W
Engine5.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursCold

Trouble Codes

P0300Multiple Misfire Detected