CPS Going Bad? - Ford Powerstroke Diesel Forum
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Old 01-23-2013, 05:03 AM
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CPS Going Bad?

The other day while sitting at a light my 96psd just died like I shut off the key. Started right back up like nothing ever happened. A couple of times since then while driving, the engine bucked on me like it cut out for a split second, then ran fine. Am I correct in thinking that the CPS should be the first thing to check?
Thanks - Bill
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Old 01-23-2013, 05:54 AM
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Yes that is exactly what it is, it should throw a SES code and light and you could read it with your tuner or go to like autozone. but thats exactly what my truck was doing when it went bad.
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Old 01-23-2013, 07:37 AM
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Thanks. Didn't throw a light, but they all happened so quickly. I'll replace the CPS just to be sure.
- Bill
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Old 01-23-2013, 07:45 AM
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Yea yours being the OBS it might not but mine did and it threw the code, mine was actually under recall so i actually had ford replace it for me for free so i didnt have to screw with it, but like i said yours being an OBS you might not be able to get that but it doesnt hurt to try if you dont wanna do it yourself especially it being winter
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Old 01-23-2013, 07:59 AM
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Thanks. Worth a shot.
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Old 01-23-2013, 09:01 AM
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Autozone CAN'T read this truck.

Bad CPS most likely won't set a code. The PCM just interprets lack of CPS signal as the engine not turning, and does what it's supposed to do - shuts down the injectors.
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Old 01-23-2013, 09:37 AM
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Quote:
Originally Posted by madpogue View Post
Autozone CAN'T read this truck.

Bad CPS most likely won't set a code. The PCM just interprets lack of CPS signal as the engine not turning, and does what it's supposed to do - shuts down the injectors.
Well i wasnt sure about autozone since i have a handheld but my 2000 threw a code and also lit up the service engine soon light too and my handheld came up with an "intermittent CPS code"
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