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Misfiring Throws the 0300 code but shouldnt it be a specific cylinder? V70-XC70 2004

posted by  Woodstock on  Sat Sep 14 10:15 CST 2013
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last visit: Fri Oct 24 10:51 CST 2014
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I just changed out the plugs with a fresh set of NGKs. None were wet, and they all looked about the same condition. This had no effect on the skip while running. I took it around the block and it threw the same 0300 code.

I read that the coil packs can crack, and I wasnt sure where they crack, but didnt notice anything obvious while changing the plugs. I cant spend $350 just to try a new set of coil packs for this car due to the high miles on it, but I guess I can buy a couple of used ones and try changing them out to see what happens. Would this be the logical next step, or what else might I try?






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New Misfiring Throws the 0300 code but shouldnt it be a specific cylinder? [V70-XC70][2004]
posted by  Woodstock subscriber  on Fri Sep 13 12:01 CST 2013 >


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