Diesel Truck Forum - TheDieselGarage.com - View Single Post - changed ICP, kinda big prob now....
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post #7 of (permalink) Old 07-15-2009, 11:27 AM
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Very curious to see what you find as I have a shop truck with very similar symptoms.

Replaced IPR and ICP sensors with new ones and it doesn't cure the issue.

Replaced the HPOP about a year ago.

It always idles roughly with ICP between 485-525 and codes show nothing related.


'99 F250 X-cab 2wd

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