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2008 Lincoln MKZ misfire slash rough idle

Tiny
74GLENN
  • MEMBER
  • 2008 LINCOLN MKZ
  • V6
  • FWD
  • AUTOMATIC
  • 100,000 MILES
In order to get to the back spark plugs I have to take off the valve cover and this requires taking off air hoses and other things. I was wondering if you can help me with how to do a spark test and a power balance test on the backside. The front I can get to. But car won't start to do test on back side if I take off cable cover will it? Any help I will appreciate it and thank you and God bless.
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Friday, November 7th, 2014 AT 9:19 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,885 POSTS
Is the check engine light on? Have you checked for trouble codes? I have to be honest, there is no easy way to access the plugs. Are you trying to check for spark to them?
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Friday, November 14th, 2014 AT 8:53 AM

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