Will not idle(sometimes)
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Senior Member
Joined: Feb 2002
Posts: 135
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From: Colonial Heights , VA.
Will not idle(sometimes)
99 4.6L Sometimes when I start the truck it will not idle until it warms a little then its fine. Today same thing but after fully warming up it barely idled and surged a little, no engine codes. I turned the engine off and pushed the petal to the floor and turned the key on, next I let off the petal and started the truck. It barely idled for just a brief second and then it idled like normal. Maybe a bad throttle position sensor? Ideas anyone?
Technical Article Contributor
Joined: Dec 2004
Posts: 382
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From: Lake in the Hills,IL
Do a search, but it could be a few different things. Vacuum leak, bad IAC,...those are some things you can check first. It's a very common problem, but I have yet to find a common answer.....
Senior Member
Joined: Jul 2007
Posts: 3,291
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From: Beaverton Or.
