Code P0301 with very rough idle

116,000 MILES
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BANGING HEAD AGAINST WALL
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  • 1 POST
Code P0301-Changed spark plugs, wires, coil, cleaned ERG valve, cleaned intake manifold,vcleaned throttle body. Runs fine but very rough idle w/vibrations. Paid mechanic and still misfire and rough idle.
Nov 18, 2011 at 10:40 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,245 POSTS
If it is still missing on cylinder 1, check engine compression in that cylinder. Also, make sure the injector is getting power to that cylinder too.
Nov 18, 2011 at 10:41 AM
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