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96 civic CX
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4 Posts
Discussion Starter #1
Help with my 1996 civic CX D16Y7 i am receiving tbe codes p0301 through p0304 and i also think p0300 so random miss fires and miss firing in all cylinders. Iv replaced plugs,plug wires, cap and rotor and nothing. Where should i go from here also the cylinder 2 spark plug is black and not firing properly more then the others and the other 3 plugs are not black and sparking properly. Should i replace timing belt and tensioner, and check for vacuum leaks. Me and my father can do this at home hes great with cars. Also he thought maybe a burnt valve in cylinder two. Any ideas experts please!!!? Any thoughts on the cylinder spark plug being black? :(
 

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Registered
96 civic CX
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4 Posts
Discussion Starter #3
Okay my bad on the two threads, figured more people may see it quicker sorry, also thanks ill replace the black plug and check my valve cover plug gaskets and valve cover gasket also? And is there any posts on setting timing or should youtube be able to cover that and i am able to compression test easily at home so i will do that soon here today
 
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