how to fix code p0301

2003 CHEVROLET TRAILBLAZER
123,489 MILES
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NIYA15
  • MEMBER
  • 1 POST
Changed car battery and then car check engine light came on right awayy with rough acceleration.changed spark plugs and 1st cylinder coil.and still running rough
Nov 20, 2011 at 12:58 AM
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DRCRANKNWRENCH
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 3,380 POSTS
We have a good diagnostic and repair walk through that covers all general misfire conditions and causes.
Here is the link and follow the blue sub links if needed;

https://www.2carpros.com/articles/engine-misfires-or-runs-rough
Nov 20, 2011 at 5:08 AM