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How to fix diagnostic code for 1999 vw passat po304 po305 po306

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Does it have a 2.8? There is a bulletin pertaining to updated ECM if the number is the same as bulletin. Now that is if the basic tune-up parts are good. What those codes are telling you is, that cylinders 4,5 & #6 are misfiring. So if it is over 100,000 miles, I would have a tune-up done first, because an ECM will be expensive.

Posted on May 18, 2014

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My Ford 2006 3.0L V6 Fusion is throwing these codes PO304 - PO305 - PO306 and Running Bad.


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How to fix diagnostic code for 1999 vw passat po304 po305 po306


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