CPS issue? - Ford Powerstroke Diesel Forum
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Old 06-19-2012, 07:04 AM
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CPS issue?

This weekend I was towing my boat to the river and experienced a issue. It seemed to happen more when climbing a hill, but did do it on flat too. It would surge and I was able to notice the RPM's drop then come right back up. It did this once or twice during the first hour of the trip then did it 3-4 times almost in a row and after that the CES light came on. Also after that I put the tuner back to stock (DP-Tuner) was on the 60hp program. After that it didn't do it again for the next 200 miles there and the whole trip back.

I checked the code and it was a P0344 CPS A circuit intermittent Bank 1, but because of starting the truck so many times the light went odd before the trip home. I kept the tuner to stock tune after the light came on and the whole way home, don't know if this was just a coincident that it didn't happen anymore after that or ????.

Is the CPS sensor the problem? Wiring? Tuner?
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Old 06-22-2012, 09:44 AM
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Anyone??? I bought a new CPS, the dark Blue one...any known issues with a DP-Tuner?
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Old 06-28-2012, 07:03 AM
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bueller????
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