MY ENGINE LIGHT CAME ON MISFIRE

  • Tiny
  • jbelem
  • 2006 Chevrolet Colorado
  • 70,500 miles

My engine light came on and had it checked it said piston #1 was misfiring so I had a tune up done and after it said piston #3 had the codes cleared rechecked all plugs and it went away now it is back and saying random misfire. What do I need to do? I don't get it?


changed the plugs and wires

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Tuesday, December 27th, 2011 AT 7:53 PM

1 Reply

  • Tiny
  • saturntech9
  • Expert
  • 29,368 posts

Sounds like you are having a problem with mixture and the computer is getting confused, Have you done a fuel pressure check?

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Tuesday, December 27th, 2011 AT 7:59 PM

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