95 Pwr Stroke stumbles - Ford Powerstroke Diesel Forum
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Old 03-11-2008, 04:40 PM
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95 Pwr Stroke stumbles

My truck starts and runs great, but after it has warmed up a bit, it sometimes "stumbles", sometimes even dying but then restarts easily?
It may happen while idleing, going 10mph down a gravel road or 65mph down the hwy.
No "check engine lights" I put in a new fuel filter and the oil level is good.
I sure would appreciate any thoughts or insights.
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Old 03-11-2008, 04:50 PM
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sounds like the classic problem of your CPS dying on you.
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Old 03-11-2008, 04:59 PM
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Is there a way to test the CPS?
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Old 03-11-2008, 05:04 PM
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the best test i know of is to check to see if the tach moves when cranking after a random shutdown. if it doesn't always move, CPS is probably dead. it would be a good idea to replace anyway. most people have reported about $30 for one at the dealer. it only takes a few minutes to change out.
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Old 03-11-2008, 05:04 PM
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not really, its ussually an intermittent problem.

EDIT

sometimes it will throw a "background" code as an intermittent CPS problem
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Old 03-11-2008, 06:02 PM
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if you do get a new cps dont get it at a local parts store. buy one from an international dealer an you will never have a problem with it. will also make the motor run better. sometimes it is way cheaper than from a parts store or dealer.
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Old 03-11-2008, 06:57 PM
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Good info! thanks for the replies guys.
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