how do you repair the po301 problem on the 2003
chevy trailblazer?
Dec 12, 2010 at 5:50 PM
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WRENCHTECH
✓Experienced Mechanic
20,761 POSTS
The only thing the code is telling you is that you have a misfire on cylinder #1. Now someone has to determine what is causing it. You always want to look at the secondary ignition components first like plugs, wires, cap and rotor.
Dec 14, 2010 at 10:02 AM
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