Question about 2003 Mitsubishi Galant

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I have a 2003 mitsubishi galant ES 4 cylinder and have a check engine light message on i had the code read at auto zone and they told me the third cylinder is misfiring and when it idles it jumps around alot and shakes the whole car. And doesnt get any power when trying to drive from a stop position it jumps really bad almost to the point where it feels like it is going to die. it seems to get worst when the air conditioning is running and when the air is on it makes a humming noise really bad constantly, coming from the rear front of the engine

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Misfire means you need spark plugs replaced. Or spark plug coils.

That's why the whole car starts shaking because its running basically on 3 cylinders and not 4 as supposed. There is no gas compression on the 3rd cylinder because once again the spark plug is "misfiring"

There also might be even a bigger problem which could be the distributor cap where the coils are connecting outside the engine.
once you fix the problem the check engine will turn off immediately

hope that helps.

Posted on May 29, 2010

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Posted on Jan 02, 2017

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