350 motor runs rough

1935 GMC
Avatar
DERFMIER
  • MEMBER
  • 1 POST
I have a 1989 gmc pickup with a 350 and tbi carb. the motor runs good at an idle but runs rough when the throttle is pressed. coudl you please help me?
Mar 11, 2007 at 11:22 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
Advertisement
Avatar
MICKEY-D
  • CAR REPAIR CONTRIBUTOR
  • 304 POSTS
You could have a number of different things causing this problem. Bad plug wires, bad plugs, bad rotor, cracked cap, timing off. Those are just a few things you need to check.
Jan 7, 2010 at 11:22 PM
Advertisement