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2005 Mitsubishi Lancer Question: service engine soon light on



, 2.4L 4 Cylinder, San Luis Obispo, CA, December 07, 2010, 21:34

Service engine soon light is on and I judst bought the car. I had the code read at jiffy lube and the code was po 304
the car was hesitating and running with less power. I t is a manual trans. What does this code mean?

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  • Answer #1

    December 07, 2010, 21:44

    number 4 cylinder is missfiring. it could be a plug, coil or injector. needs to be checked out for a proper diag and a bid for repair.


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