My engine light came on misfire

2006 CHEVROLET COLORADO
70,500 MILES
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JBELEM
  • MEMBER
  • 2 POSTS
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
Dec 27, 2011 at 11:53 AM
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SATURNTECH9
  • ✓Experienced Mechanic
  • 30,869 POSTS
Sounds like you are having a problem with mixture and the computer is getting confused, Have you done a fuel pressure check?
Dec 27, 2011 at 11:59 AM
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