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1990 GMC C3500 Sierra 7.4L Mechanical
Posted to GM Engine on 7/28/2011 7 Replies

Hey all , Hope you can help with this one. This 454 was replaced by a dealership and hasn't ran right since. The new owner has literally replaced everything. Computer - distributor - throttle body - fuel pump - you name it. When I looked at it, I was immediate...

7 Replies Received (View Replies)

  Related Documents & Media  1990 GMC C3500 Sierra

 
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car Vehicle Data

1990 GMC C3500 Sierra

VIN 1GCHC34N3L
Engine7.4 L / 8 cyl / GAS
Trans3-speed Automatic
DeliveryFuel Injection
Message Closed

car Vehicle Data

1990 GMC C3500 Sierra

VIN 1GCHC34N3L
Engine7.4 L / 8 cyl / GAS
Trans3-speed Automatic
DeliveryFuel Injection