× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
1994 GMC C1500 Sierra SL 4.3L Hesitation, Misfire
Posted to GM Driveability on 5/20/2016 20 Replies

So another shop converted this from a 4.3 to 5.7 dont know exactly what they changed out.

Truck runs ok at first and after 5 mins when accelerating it bogs down and fires thru the TB at light acceleration it is ok. ive done timing, checked pressures and also...

20 Replies Received (View Replies)

  Related Documents & Media  1994 GMC C1500 Sierra SL

 
Message Closed

car Vehicle Data

1994 GMC C1500 Sierra SL

VIN 1GDDC14Z9R
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / tbi
SymptomsHesitation, Misfire
OccursOn Accel
Message Closed

car Vehicle Data

1994 GMC C1500 Sierra SL

VIN 1GDDC14Z9R
Engine4.3 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / tbi
SymptomsHesitation, Misfire
OccursOn Accel