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1993 GMC G3500 Rally STX 7.4L Poor Idle Quality
Posted to GM Driveability on 7/15/2010 4 Replies

Hi everyone i have a 1993 gmc rally stx 1 ton van 454 loadsup when cold then evensout when it gets hot lots of soot black smoke

4 Replies Received (View Replies)

  Related Documents & Media  1993 GMC G3500 Rally STX

 
Message Closed w/FIX

car Vehicle Data

1993 GMC G3500 Rally STX

VIN 2GJGG39N4P
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
SymptomsPoor Idle Quality
Message Closed w/FIX

car Vehicle Data

1993 GMC G3500 Rally STX

VIN 2GJGG39N4P
Engine7.4 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
SymptomsPoor Idle Quality