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Anonymous Posted on Jan 11, 2014

Hummer H1 1996 engine smoke for 13 seconded and ruff idell after is running good no smoke

It's rebuilt engine but have all the parts from the old engine , injector pomp starter

5 Related Answers

leethedeuce

Lee A.

  • 4472 Answers
  • Posted on Aug 10, 2008

SOURCE: 94 Celica GT, Fuel Problem?

The computer is what outputs that. So you want to check the wire at the computer and see what your getting. Has the motor been pressure washed or have any changes been done recently?
Thanks,
Lee

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Anonymous

  • 54 Answers
  • Posted on May 27, 2009

SOURCE: car ideling roughly ...not stalling

sounds like you may have a problem with your Idle air control valve, located on the throttle body. this is what controls the idle when coming to a stop or stopped and turning corners or basically when your foot is not on the gas pedal

Anonymous

  • 223 Answers
  • Posted on Jun 15, 2009

SOURCE: 1993 Buick Century Custom 3.3L Runs Rich, Ruff at idle; 10MPG

Check the fuel filter, it might be clogged.

Anonymous

  • 15 Answers
  • Posted on Aug 23, 2009

SOURCE: 1986 toyota 4runner fuel delivery

check the fuel pressure regulator

Anonymous

  • 1 Answer
  • Posted on Aug 26, 2009

SOURCE: 4.5 liter engine runs ruff intemitent seems rich.

Hi I own a cadillac with the same motor. Never smoked but had all the same issues, ran fine cold but after a little driving (less than 2 miles) it shook like nothing else. The cause was the motor self destructed had to replace valves all 8 bosh injectors 2000 dollars later she is like new. Sorry about the bad news goodluck.

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