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1999 GMC Safari SL 4.3L Misfire
Posted to GM Driveability on 7/30/2008 15 Replies

this van has been to another shop for an lower intake [...] got van back running bad. customer found [...] of sync. replaced dist.,cap ,wires,and plugs. runs better but has miss on cyl. #4 . only at 50 to 70% load. now this mess is mine. i checked the dist. re...

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  Related Documents & Media  1999 GMC Safari SL

 
Message Closed w/FIX

car Vehicle Data

1999 GMC Safari SL

VIN W3XB511098
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursUnder Load, Intermittently

Trouble Codes

P0300Multiple Misfire Detected
Message Closed w/FIX

car Vehicle Data

1999 GMC Safari SL

VIN W3XB511098
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / SEFI
EmissionsOBD-II Compliant
SymptomsMisfire
OccursUnder Load, Intermittently

Trouble Codes

P0300Multiple Misfire Detected