350 MOTOR RUNS ROUGH

  • Tiny
  • derfmier
  • 1935 GMC

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?

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Sunday, March 11th, 2007 AT 11:22 PM

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  • Tiny
  • mickey-d
  • Member

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.

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Thursday, January 7th, 2010 AT 11:22 PM

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