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2002 pontiac sun fire engine cuts out at 2000 RPM and stops when you accelerate no service engine light what could be the problem

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Possibly a tune up including spark plugs, fuel filter, pcv valve, air filter, and an oil change. Do include the spark plug wires if it has them.
If all of that is fine, see if the spark plugs are covered in oil... that will also cause it to run bad but not necessarily throw the check engine light.
Good luck

Posted on Mar 27, 2011

  • 1 more comment 
  • johndere7246 Mar 28, 2011

    I changed the plugs and wires new fule filter air filter coilpacks and ignition module realy stumped ! Thanks anyway.

  • TXTEXAN Mar 28, 2011

    Please also look over all of the air and vacuum hoses, if any are left loose they will also cause issues like you are experiencing. If you have a mechanic friend with a smoke machine, that tool will help you identify any vacuum/air leaks.
    Regards,TXTEXAN

  • johndere7246 Mar 28, 2011

    I did a visual inspection of vacume lines and electrical conections didnt realy find any thing . But did not use smoke machine will try thanks !

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