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1999 GMC Savana 1500 5.7L Engine Misfire
Posted to GM Engine on 12/16/2004 14 Replies

Van came in to replace two fuel injectors (#5 and #7) due to misfire codes(Engine misfired under heavy loads but ran good at idle and under light load)). We are assuming that while we took the upper intake or plenum off we disturbed the lower intake manifold g...

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  Related Documents & Media  1999 GMC Savana 1500

 
Message Closed w/FIX

car Vehicle Data

1999 GMC Savana 1500

VIN 1GDFG15R6X
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedEngine Misfire
ConditionsAt All Speeds
Message Closed w/FIX

car Vehicle Data

1999 GMC Savana 1500

VIN 1GDFG15R6X
Engine5.7 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedEngine Misfire
ConditionsAt All Speeds