Small mis at idle
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Tuned
Joined: Jul 2004
Posts: 371
Likes: 16
From: Upstate SC
Small mis at idle
I have a 2002 excursion with the V-10. It’s had a minor miss at idle since we’ve had it. It runs fine otherwise. I have Forscan, but it hasn’t had any DTC’s for skips or anything. What can I check?
Fleet Owner
Joined: Aug 2010
Posts: 21,253
Likes: 1,656
From: Reynoldsburg, Ohio
Plugs past their useful mileage or boots in poor condition, fuel pressure slightly below spec, potentially a timing chain issue. FORScan catches a lot of things the PCM monitors but occasionally we have to resort to old fashioned hands-on inspections.
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