2007 Engine Slipping
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Junior Member
Joined: Apr 2013
Posts: 1
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2007 Engine Slipping
I have 2007 4WD Lariat F-150 and the engine is "skipping" at times. It only happens while at cruising speeds. If I am on the throttle it runs fine. It has 85,000 miles on it. Any ideas are greatly appreciated.
Senior Member
Joined: Dec 2006
Posts: 43,530
Likes: 817
From: Joplin MO
Time for new spark plugs. They should have been changed at 60k. The PCM runs lean under light cruising loads for better gas mileage, and lean mixtures are hard to fire with excessive plug gaps.
