Changed coils, plugs, and vvt and still reading codes for multiple misfires and and over advanced on my 2005 trailblazer what am I missing
Asked by Handson1training Aug 12, 2018 at 05:52 PM about the 2005 Chevrolet Trailblazer LS 4WD
Question type: Maintenance & Repair
Still showing codes even after clearing
codes
2 Answers
Does it run poor? may have broken a timing chain guide and it jumped.
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Handson1training answered 6 years ago
Yes it's sluggish until gotten up to speed and shakes told by one mechanic it could be a bad valve