Misfire code for cylinder 6

Tiny
BANKSERICKA
  • MEMBER
  • 2003 MERCURY MOUNTAINEER
WE have a 2003 Mercury Mountaineer that had a misfire code for cylinder 6, we replaced the coil, igniter and spark plugs, and still keep getting misfire code for that cylinder. What else can we do?
What do we do next?
Monday, March 5th, 2012 AT 4:47 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,847 POSTS
Make sure the fuel injector is getting power and make sure there is good compression in that cylinder.
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Monday, March 5th, 2012 AT 4:49 PM
Tiny
BANKSERICKA
  • MEMBER
  • 3 POSTS
Thanks for the reply, our mechanic has to order the machine to check the compressor, if it is that do you know how much it will cost to repair?
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Monday, March 5th, 2012 AT 5:08 PM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,847 POSTS
If the compression is low in that cylinder, you need to determine what is causing it. It could be a bad valve, worn rings.
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Monday, March 5th, 2012 AT 5:32 PM

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