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Engine misfire

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Old Sep 30, 2011 | 09:32 PM
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bart0537's Avatar
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Default Engine misfire

My check light has come on and i'm getting four codes 0300 0303 0304 & 0306.
The codes are saying cy's 3, 4 & 6 are misfiring. Is there anything like a coil that is common to these cy's that would cause this? You can feel the misfire when the engine is under load. I've replaced the fuel filter but no help.
 
Old Oct 1, 2011 | 03:39 AM
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year of car and engine would help...
 
Old Oct 1, 2011 | 05:40 AM
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bart0537's Avatar
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Default Engine misfire

Sorry about that it's a 2004 with a 4.6
 
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