my 2006 trailblazer L S won't pass smog
my 2006 trailblazer LS won't pass smog, all new plugs, the #6 plug is miss firing,
mechanic switched #6 around, It won't hold the RPM'S and the engine light came on
my 2006 trailblazer LS won't pass smog, all new plugs, the #6 plug is miss firing,
mechanic switched #6 around, It won't hold the RPM'S and the engine light came on
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