Codes p0300, p0301,03 and 05.

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12-01-2012, 11:05 AM

Mariobarreiro

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Codes p0300, p0301,03 and 05.

Need help trying to figure out what to replace first? Plugs, coils, sensor? 2005 s type v6

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12-01-2012, 12:23 PM

Jon89

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Misfiring codes on the V6 models are often caused by the two factory Intake Maniford Tuner Valve O-rings failing and allowing oil to seep out of the IMT valves. Search this forum using the phrase "IMT valve O-ring leaks" and you'll have plenty of reading to do. Then, wipe the bottom of your IMT valves with a clean white paper napkin. If fresh oil shows up on the napkin, you have likely found the source of your codes. New O-rings are an inexpensive and relatively easy DIY fix....

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