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Old 09-09-2012
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Location: mission viejo, ca
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idle problem

I have a 97 ranger and when I first start it the idle goses up and down and would not settle down until after it warms up. I have change Idle sensor, vacum hoses, presure switch and most of the emission control system parts. I have not replace the computer yet and if anyone has had a thought to what it could be other than the computer please let me know. it is driving me crazy on figuring it out.
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Old 09-09-2012
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Location: charlevoix, mi
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By idle sensor do you mean the IACV because that sounds like your issue. If you did replace the IACV did you try a new one or a used one? If it was a used one try a new one or cleaning it out. Also is the truck throwing any codes?
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Old 09-09-2012
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idle problem

thank you for the reply, Yes I have replaced the IACV a month ago and vacum hose that I found had a leak. have not replace the carbon filter yet but plan to. The truck is not throwing any codes when I check the computer and fuel presure comes out to the right numbers as the manual says it should. I was thinking that it might be the computer that is bad or a bad IACV as well.

Last edited by shocky; 09-09-2012 at 09:36 PM.
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