96 F350 Replaced the CPS now it sputters - Ford Powerstroke Diesel Forum
 
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post #1 of 10 Old 10-14-2013, 05:30 PM Thread Starter
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Angry 96 F350 Replaced the CPS now it sputters

Just replaced the CPS because the truck would die and eventually decided not to start at all. After replacing it, she fired right up. Now when I start to drive it and get to around 1500 on the tach, it starts to kinda sputter and knock. Thought it might just be because it was cold, but it still does it warm too. seems to idle fine. I do have a fuel leak from the pump non top of the engine I believe, but that shouldn't cause this issue.
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post #2 of 10 Old 10-14-2013, 06:53 PM
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Where did you get the replacement CPS? If from aftermarket, there have been issues with some being bad out of the box. Cheers!

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post #3 of 10 Old 10-14-2013, 10:07 PM
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delphi and borg warner make the best aftermarket cps.

i have tried both and can verify it is a huge improvement in idle quality and power over the ford cps.

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post #4 of 10 Old 10-15-2013, 03:38 AM Thread Starter
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I picked the CPS up from Napa. I read in another forum to stay away from the BW CPS and just go with the Ford CPS. So confused! Hate doing a job over again!! Seems like this is just a Hall effect sensor. How do you mess up something so simple?? Where can I pick up a delphi?
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post #5 of 10 Old 10-15-2013, 03:45 AM Thread Starter
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I also read that you need to disconnect the battery when you replace the CPS so the computer re-learns the new CPS? Is that true?
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post #6 of 10 Old 10-15-2013, 07:59 AM
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"Best aftermarket CPS" == "Sucks least". Just get one from the Ford or International dealer and be done with it.

BWD - Broke While Driving
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post #7 of 10 Old 10-15-2013, 08:09 AM Thread Starter
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Do I get teh blue or grey, or does it matter?
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post #8 of 10 Old 10-15-2013, 01:27 PM
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I had the same problem with my truck after I replaced my old cps with anew one from napa.. I bought two from napa before I bought one from ford and it fixed the problem

- Tyler
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post #9 of 10 Old 10-16-2013, 04:27 AM Thread Starter
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Update... + the next issue

Okay, I replaced the one I bought from NAPA with one from ford (dark blue). Truck runs like a champ again!! Idles better, no sputter or hesitation... Now on to my next issue...When I first start it up, it has a miss, like one of the injectors isn't working. I did unplug the injectors one by one a while back and thought I found a dead injector (passanger side closest to teh fire wall). I replaced it with a known good injector, but never tested it individually again. Problem is, once it's up to operating temp, it smooths out and no more miss...Kinda stumpped on this one. Anybody have this issue?
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post #10 of 10 Old 10-16-2013, 05:20 AM
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'95 miss when cold, fine when warm
look at this thread.

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