HESITATION STUTTERING AND CUTTING OF WHEN ACCELERATING

  • Tiny
  • jrb14963
  • 1984 Mitsubishi Mighty Max
  • 1,000 miles

Just had engine rebuilt now when I press the gas the truck hesitates and sputters. If u pres the gas hard it cuts off or there is a pop that will come out of the carb sometimes but a pop always comes out the tailpipe when u press the gas hard. Other then that it starts fine idles fine but does hesitate and jerk when driving. It doesn't pop (backfire) when its cold and u gas it only once its warmed up. BeBesides the engine rebuil I replaced fuel fuel pump, fuel filter n air filter. The accelerater pump seems to be working when the engine is off and I gas it. I'm at a loss please help

Tuesday, May 29th, 2012 AT 2:01 AM

3 Answers

  • Tiny
  • ASEMaster6371
  • Expert
  • 25,502 posts

Did you replace all the basic tune up parts?

Roy

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Tuesday, May 29th, 2012 AT 2:04 AM
  • Tiny
  • jrb14963
  • Member

Yeah new plugs wires distributor cap n rotor as well

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Tuesday, May 29th, 2012 AT 2:08 AM
  • Tiny
  • jrb14963
  • Member

Only other probs I can think is carb needs to b replaced (I hope not hear bad stuff about the mikuni rebuilds) or cat is worn out or possibly muffler

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Tuesday, May 29th, 2012 AT 2:12 AM

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