b_h_87 Posted December 1, 2006 Share Posted December 1, 2006 I got a CEL and went to a shop and they got the code P0301 which i found out is cylinder 1 misfire....but i have questions? 1. How do i know if a sparkplug is defected? 2. Does a boost controller have anything to do w/ a cylinder misfire? thanks Link to comment Share on other sites More sharing options...
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