Help Diesel Fuel Problems?

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Apr 29, 2008 | 07:37 AM

Bill_a

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Help Diesel Fuel Problems?

97 F-350 Powerstroke
The engine will sometimes just shut off as if I turned the key. Intermittent. it will start back up. Lately getting worse. Driving down the road it can shut off and come back on. There are three keys pieces to the fuel supply, fuel pump, injector pump and the injector Driver Module. I am thinkng the electronic component but I don't know whether low pressure could cause something intermittent. 157K on the truck.
No OBD codes register

Has anyone had this problem?

Please help

Thanks

Apr 29, 2008 | 08:52 AM

superduty4x4

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From: Newport, WA

Sounds like a bad CPS to me, have you had yours replaced under the recall yet? If not take your truck to a Ford dealer, they'll put in a new CPS for you and send you on your merry way. It's a good idea to carry a spare in the glovebox too in case on quits you on the road. In case you're not up on the acronyms, CPS stands for cam position sensor.

Apr 29, 2008 | 09:26 AM

plowhand

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Joined: Oct 2005

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From: Southwest Georgia

Agreed, sounds like it's time to change your CPS.

Short version of our fuel system: our trucks have a 2 stage fuel pump that lifts fuel from the tanks and pumps it through the filter system under low pressure and then to the high pressure side of the pump where it is pumped under high pressure through the fuel passages in the heads to the injectors. The IDM sends voltage to the injector solenoids to open the injectors to allow fuel to be sprayed into the cylinders.

For detail info on the injection systems, check here: PowerStroke

Apr 29, 2008 | 10:10 AM

Neal 97 250

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From: Johnson City, TN.

Agreed CPS. Mine recently did the same thing.

May 1, 2008 | 07:27 AM

Bill_a

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thanks
i went and entered my vin on the ford website and had the cps replaced yesterday
i hope it last another 150K

thanks

May 1, 2008 | 07:31 AM

Bill_a

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Great Wbsite:Thanks for all the replies

Thanks for all the replies
it was the CPS

i would have never thought about the CPS
still learning about diesels
would not trade for the world even with $150 fill ups

thanks