Question about 2000 Mitsubishi Mirage

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Engine is missing and shaking bad when idleing or driving slow

I drive a Mirage Mitsubishi 2000. When idling the car shakes bad and sometimes it is hard to get it to start without giving it gas. Sometimes it feels as if the car isn't getting any gas when you push the accelerator and when you put it in gear it just dies.

I first checked the spark plugs to find that there was oil on them. I replaced the spark plugs and valve cover gasket kit to ensure there is no more oil in them but the problem is still there. I also replaced the spark plug wires. And I've run fuel injector cleaner through my gas on two fill ups.

Does anyone know what my problem narrows down to? A fuel problem? (Like a fuel filter or fuel pump?) or somthing else such as my timing belt or any other cause?

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  • 7 more comments 
  • retxet Dec 20, 2008

    I replaced the spark plug seals and oil is no longer getting to my spark plugs. That's fine now. My valve cover gasket set was fortunately complete.

  • retxet Dec 20, 2008

    I replaced the coil connectors the same time I replaced the other two spark plug wires.

  • retxet Dec 21, 2008

    I also replaced the fuel filter today. Saving up for a coil to try out.

  • retxet Dec 21, 2008

    The old spark plugs had black spots on some of them. Other than that I'm not sure. The new spark plugs have been gapped to .040 inches.

  • Anonymous Dec 22, 2008












    THE SPARK PLUGS ARE NEW BUT THE ENGINE STILL SHAKES WHEN THE CAR IS IDELING

  • zorgenhoop Jan 25, 2009

    Engine is missing and shaking bad when idleing or driving slow problem, and when I turn the airco on the motor stops running.

    Help me find the problem!



    Smith

  • jackass_ps03 Feb 23, 2009

    my engine is hard to start

  • Jeremy Kastrup May 11, 2010

    have you replace the wires ? I think the ones that go under the coils are not included with the other 2 wires .

  • Jeremy Kastrup May 11, 2010

    One of your coils may have shorted internally causing your misfire ,

    The valve cover gasket has rubber gaskets that surround the spark plug hole , did you replace them as well as the gasket that goes around the cover ?

    Did you replace the rubber gromets underneath the bolts ?

    Sometime's the valve cover gasket set may not come with the pieces

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  • 87 Answers

It's probably one of the coils , I'd buy one and try replacing one of the two there ! , let me know how ya make out !

Posted on Dec 20, 2008

  • 1 more comment 
  • Jeremy Kastrup Dec 21, 2008

    what condition were your spark plugs in when you removed them ? were they platinum ? sometime when the platinum pieces fall off a spark plug the gap will get bigger causing the coil to work harder , leading to eventual failure . if you replace one of the coils and the problem persists after changing it swap it to the other coils spot and see if it helps !!

  • Jeremy Kastrup Dec 21, 2008

    when you swap in the new coil put it into the cylinder that had those black sooty plugs in them . that would be my first choice

  • Jeremy Kastrup Jan 20, 2010

    Has thecar been fixed ?

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SOURCE: Engine is missing and shaking bad when idleing or driving slow

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Posted on May 30, 2010

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