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Misfire in cylinder 4 and 6

Tiny
BECKER9
  • MEMBER
  • 2003 KIA SEDONA
  • 79,000 MILES
I have a 2003 Kia Sedona, the check engine light has been on for some time now. When read it says a misfire in cylinder 4 and 6. The problem I am having with the car: It misfires as you back up and when the car is in idel. Also it has a very rough go from the idel position. These last week it has actually started shaking as the van is being driven. We have cleaned the fuel injectors, moved coils around and reaplaced spark plugs. We have check the timing belt and while it is slightly stretched the timing is correct and lining up each time it is tested. We have also ran a compression test which is comeing back normal. What is the problem with the car?
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Saturday, October 1st, 2011 AT 3:58 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,709 POSTS
Have you checked to make sure the fuel injectors are getting power for those cylinders? Also, when you did the compression check, what did the plugs look like from those cylinders?
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Saturday, October 1st, 2011 AT 4:24 AM

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