Rough idle and stalling engine
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Post Fiend
Joined: May 2012
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From: Gods Country, Kansas
Rough idle and stalling engine
Ok fellas. I have ran into a little problem. I have a new IPR and a new ICP. The ICP is reading about 625 psi at an idle. My truck at an idle will go between about 650 and 550 rpms and bounce between them constantly. I can't figure out the problem. I'm pulling a CPS code so I will replace that this week but would that cause my ICP to read high???
Hotshot
Joined: Jan 2012
Posts: 11,132
Likes: 3
From: Southern West Virginia
625 psi is about right at idle I think. CPS can cause the rough idle though. If you're getting a code for it, I would definitely change it. You probably already know this, but only get one from Ford or IH. The parts store ones are junk.
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Post Fiend
Joined: May 2012
Posts: 14,724
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From: Gods Country, Kansas
Just replaced the cps. Cranked for a while then started. Ran fine for a minute or so then got rough and died. I'm really stumped. Didn't get a check engine like and. I tried to restart it and it was rough as hell.
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