High idle question
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Joined: Jul 2002
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From: New Orleans USA
High idle question
Today for some strange reason, my engine was staying at high idle, even after warming up to normal temp. A couple of months ago, I replaced the idle air bypass valve with a new one, so I can't think why it is doing this. Anyone els have this problem?
Paul
Paul
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Junior User
Joined: Jul 2002
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From: New Orleans USA
High idle question
Well, I hooked the code reader to it this evening andit is giving me fault codes for the Throttle Position sensor, knock sensor, Thermactor, and "Loss of tach signal"??? I figured the TP sensor was on its last legs, so I'll check it tomorrow.
New User
Joined: Aug 2002
Posts: 2
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From: Camarillo USA
High idle question
I had the same problem.... I finally found that the upper intake manifold gasket was sucked into the intake.... I found this by spraying (of all things) carb cleaner at the joints, while the engine is running, if you notice the change, you have found the leak....
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hav24wheel
1987 - 1996 F150 & Larger F-Series Trucks
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Feb 10, 2010 02:02 PM
