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2014 Chevy Silverado
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High Idle

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Old March 17th, 2011, 2:22 PM
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Default High Idle

Anyone hear of high idle after the truck has been warmed? Seems like when I start the truck after it has ran for a while it will idle high, around 2K. I have noticed that if I hold the key on just a second to long it will idle high. When the truck is cold I idles perfectly. Any ideas of what may be causing this?

Last edited by sollucho; March 18th, 2011 at 8:01 AM.
Old March 17th, 2011, 9:43 PM
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Default high idle

What are we working on? My crystal ball is in the shop.
Old March 18th, 2011, 8:01 AM
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Haha, 95 5.7L Silverado
Old March 18th, 2011, 7:12 PM
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coolant temp sensor temp located beside thermostat housing.
Old March 19th, 2011, 9:06 AM
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Originally Posted by loosebearing
coolant temp sensor temp located beside thermostat housing.
Reading about this on the net tells me this controls the temp gauge doesn't seem to be my problem, why do you think this could be my problem? Thanks for the response
Old March 19th, 2011, 6:38 PM
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Not talking about temp sending unit.
Talking about the one ecu uses to adjust fuel... it is a major sensor player
in running right.
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