my 4.2 truck runs fine at speed,but stumbles and shakes at idle

Ken Torrence

Asked by Nov 18, 2013 at 04:59 AM about the 2000 Ford F-150

Question type: Maintenance & Repair

1 Answer

Tom Demyan

When was the last time you replaced the spark plugs and checked the coils. Check Engine light on? Look for a vacuum leak.

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