Idle issue - Ford Powerstroke Diesel Forum
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post #1 of 3 Old 09-28-2019, 06:36 PM Thread Starter Rookie
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Idle issue

Hey guys. New to the forum and couldn’t find a thread with this issue.
My truck is a 97’ 7.3l with 170k miles..
So when I cold start or the truck is warm, When I’m idling in park, or in drive at a stop light the RPMs are a tad jumpy. They go up and down by about 50-100 rpms. No real pattern to it. The a/c is off so I know the motor isn’t under any load. Can’t seem to figure out the issue. Just changed the oil, Any help on this would be great.
Thanks guys
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post #2 of 3 Old 09-28-2019, 08:16 PM
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I have a similar issue but it's most likely the IPR.

A good scanner can show you IPR % and ICP pressure.

Double check the wires and nut on the back of the IPR
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post #3 of 3 Old 09-29-2019, 06:36 AM
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And make sure the "tin nut" holding the IPR solenoid on is snug too. Cheers!
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