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What is your question?
(P0301)#1Plug misfires,replaced plugs&plug wires&also,Ingition Coil,each one was steps (1-2-3)still has,problem,cleared code from (obc)on broad computer,still came back up.can anyone help?(newbeginnings1052@yahoo.com)
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Not sure I don't have my manuals with me. A misfire in a cylinder can also be "mechanical". Valve clearance (but I think your engine has hydraulically adjusted valves). An intake manifold gasket leak could cause a cylinder misfire. Check the spark plug gap, look at the condition of the spark plug when you take it out to make sure it is not oil fouled or other wise damaged.
I've made appointment w/auto shop to check injectors&compresson,I've done what i know to do.Peniston Automotive think he knows what it is,so monday,28th day of February i'm taking it in.
The shop seem's like they might be guesting,Steve,sprayed something on the wires&coil pack,checking for misfire&leaks,(Question)will the o2sensor cause this problem?
Still having the same problem;after many different tests,even checked the exhaust.(code p0301)on March,14 2011 in shop,same problem.