Question about 2003 Mitsubishi Galant

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My 2002 Mits Galant has a #2 cylinder misfire. I have replaced the spark plugs(#2 contact broke off, cylinder was inspected and no problems). I then repaced the coil pack and still nothing has changed.

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  • brandonwmane Sep 14, 2010

    Now I have changed the injector. Also I have switched the new injector with a injector from another cylinder. Power to the injector has been verified.

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If there are symptoms such as the engine is stumbling or hesitating, check all wiring and connectors that lead to the cylinders (i.e. spark plugs). Depending on how long the ignition components have been in the car, it may be a good idea to replace them as part of your regular maintenance schedule. I would suggest spark plugs, spark plug wires, distributor cap, and rotor (if applicable).

Otherwise, check the coils (coil packs). In some cases, the catalytic converter has gone bad. If you smell rotten eggs in the exhaust, your cat converter needs to be replaced. I've also heard in other cases the problems were faulty fuel injectors.

Try it and keep us updated.

Posted on Sep 14, 2010

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