engine just cut off - Ford Powerstroke Diesel Forum
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post #1 of 13 Old 07-02-2007, 01:44 PM Thread Starter
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engine just cut off

well it rained all day here n sc n when i got off work i decided to go check out some watermelons n corn i got planted. when i got to the field there was a lil mud so i started playin round n it. hadnt got much mud on the tires lately well neway i was spinnin n all that good stuff n i stopped to see how down i could get it n then get out with 4x4. neway i got it stuck in 2wd and i was givin it gas and it was turnin some high rpms but it wasnt redlinin when i got out the gas the trucks rpms dropped and it cut off. wut happened?
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post #2 of 13 Old 07-02-2007, 01:47 PM
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Not for certain, but a majority of the time a 7.3L cuts out its the CPS or cam position sensor. Its a fairly cheap and easy replacement so I'd say that'd be a good place to start...

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post #3 of 13 Old 07-02-2007, 02:19 PM
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post #4 of 13 Old 07-02-2007, 02:32 PM
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It may be either your pcm conection at the firewall, see if you might of had some rain water or muddy water get in the connection. also the cps connection. If they are both dry and tight then I would look at the cps.

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post #5 of 13 Old 07-02-2007, 08:24 PM
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Did you get off the fuel peddle pretty fast? I've had that happen to my truck once in a truck pull. I dont think it is the CPS, just not enough fuel to keep it running becuase the electonics are kinda slow and cant keep up. You might want to get a CPS and keep it in the glovebox just in case though.

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post #6 of 13 Old 07-04-2007, 07:54 AM
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hahaha, yea having an extra CPS isnt a bad idea. Everyone Ive talked to with a psd had to replace it

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post #7 of 13 Old 07-04-2007, 08:03 AM
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I have had this happen to me a few times as well. Most likely there is nothing wrong with your truck. If you just took your foot completely off the pedal. If that is the case then it is typical to happen. From my understanding your tc was most likely still locked and the sudden drop in rpms caused the engine to stall. I bet your truck fired right back up too didn't it.


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post #8 of 13 Old 07-04-2007, 08:10 AM
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1, At about what milage does the CPS shoot craps??? I have a spair ford and a 3"ext an 10mm socket of cores hte wrench in the center consloe... Also is there any gain from installing the International one???? Any experence with these ????

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post #9 of 13 Old 07-04-2007, 08:22 AM
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Quote:
Originally Posted by WILLIAM LORCH View Post
1, At about what milage does the CPS shoot craps??? I have a spair ford and a 3"ext an 10mm socket of cores hte wrench in the center consloe... Also is there any gain from installing the International one???? Any experence with these ????
A cps may fail at any time. There is no given mileage or approximate time when it will fail. As for tge international one compared to the ford one. I think the only difference is color. Some say the international one is better then the ford one. Well I got 100,000+ miles out of my orginal one from the factory. So I put the same one back in from the dealership. Now I have the new one that costs like 30 bucks from the dealership in my glovebox.


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post #10 of 13 Old 07-04-2007, 08:31 AM
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yea I put one from NAPA in mine and it works fine

1999 Powerstroke Diesel
K&N Intake, 4" downpipe to 7" Stacks, Edge Juice chip(with Attitude display), Bully Dog shift kit, X-wheel
352 HP
678 TQ (w/stacked EVO)
BUILT not BOUGHT
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