strong gas fumes in car. scanner shows p0300,p0301,p0302,p0305,&p0306 misfire on 2001 Volkswagen Passat

How do I narrow that down? It just says misfire cause unknown.

by in Sunnyvale, CA on January 07, 2013
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1 answer
ANSWER by , January 07, 2013
could be plugs coil paks or circuit issues seek a prof opinion and diag.