7.3L shut off while slowing down to an intersection
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Joined: Oct 2003
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From: Central Maine
7.3L shut off while slowing down to an intersection
This is my Dad's truck, a 2000 F250 4x4 xcab with AT and 7.3L and 120K. Has been running great but just yesterday it died while he was slowing down to a light, with no throttle applied. He said it lugged real rough for a second or two, then died while he was rolling. He put it in neutral and it fired right up. Did the exact same thing later that day. Once it fires up, it takes right off and responds as normal.
He changed his fuel filter and oil a couple k miles ago. He suspected bad fuel and drained his bowl last night. Will know if that changed anything this morning. He was half-way through his last fill up though, bad fuel would have started showing symptoms immediately right?
What next? Put it on a computer to see if any codes come off? Replace the CPS? Diesel Kleen? OR just wait to see if it happens again?
He changed his fuel filter and oil a couple k miles ago. He suspected bad fuel and drained his bowl last night. Will know if that changed anything this morning. He was half-way through his last fill up though, bad fuel would have started showing symptoms immediately right?
What next? Put it on a computer to see if any codes come off? Replace the CPS? Diesel Kleen? OR just wait to see if it happens again?
Hotshot
Joined: Nov 2006
Posts: 11,286
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From: North of Greenville
Classic symptoms indicating that the CPS is a likely candidate. If you can limp along, order one from dfuser (unless a local dealer has the new "B" version in stock - it's about $25 from the dealer, and dfuser ships free for a total price of $25. Lots of guys have used the new part and it's working out great.
Here's the link to dfuser
http://www.dfuser.com/mfg/powerstrok...rs/Sensors.php
Here's the link to dfuser
http://www.dfuser.com/mfg/powerstrok...rs/Sensors.php
Senior User
Joined: Oct 2004
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From: Portland, Maine
Hay Ed.....I am having the same problem....you need to get the truck somewhere to get it scanned. I changed out my CPS which did nothing. I'm leaning towards IPR or IPS or the undercover harness. Where in ME are you.
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Joined: Oct 2003
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From: Central Maine
Thanks for the tips, will try to get some codes. I am not too quick to jump on the CPS quite yet.
I work in Portland near the mall, but live up near Auburn. Old man's in Alabama.
I work in Portland near the mall, but live up near Auburn. Old man's in Alabama.
Junior User
Joined: Mar 2006
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My truck did the same thing. I changed the CPS and no more problems. I too had a wiring harness start coming loose before that. It would run really rough, but never died on me. CPS would be my guess, and isn't hard to put in and try at least. If it isn't the CPS at least you'll have an extra one.
Chad
Chad
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Joined: Oct 2003
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From: Central Maine
Well I just talked with him and he had a code pulled at a jiffy lube place and it said CPS. He couldn't find one at the first couple places and ended up going to NAPA, was $204! Not sure who is more expensive, NAPA or the dealerships.... But, everything is running good now. Thanks for the feedback!
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Senior User
Joined: Aug 2006
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From: Bella Vista AR
I did the same thing and I went thru 4 aftermarket CPS. Do yourself a favor and take the one back to NAPA and get your money back, it a warrantied part so just tell them that it failed. Go to the ford dealer and tell them you want the gray CPS part B, all dealers should be able to get them now. The aftermarket sensor will fail!
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From: Central, Al
Logistics Pro
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From: Rapid City SD
thanks
Originally Posted by amiller93