High Idle
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Junior User
Joined: Jul 2009
Posts: 91
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High Idle
Ok guys for the last few days, every once and awhile the truck ( a 95 f 350 7.3 psd) decides to go into a high idle mode on start up. And I dont have a high idle kit or any kind of performance chip.
But it only does it maybe 2 out of 10 times starting it. It goes upto maybe 900 rpm then back down to around 500 rpm.
Any help thanks.
But it only does it maybe 2 out of 10 times starting it. It goes upto maybe 900 rpm then back down to around 500 rpm.
Any help thanks.
Senior User
Joined: Nov 2005
Posts: 206
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From: Folsom, Louisiana
have you checked the basics? fuel pressure, air filter, fuel filter? i usually change all the expensive parts just to find out it was something cheap causing the problem... you have any mods done on the truck?
Elder User
Joined: May 2007
Posts: 943
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From: North East, MD
They are designed to do that when cold from the factory if i recall. If i had to guess you have a sensor going bad telling the computer thats it colder than it actually is. Not sure whick sensors are tied to it but someone should come along that knows. I think it the EOT sensor and one other
I would have a scanner put on it and check for any codes. You may even fiind anonther issue you didnt know about
I would have a scanner put on it and check for any codes. You may even fiind anonther issue you didnt know about
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