Just shut clean off while driving - Ford Powerstroke Diesel Forum
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Old 02-03-2010, 11:38 AM
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Just shut clean off while driving

ok got a situation here. pulled out of an intersection and got on the throttle a bit, she just shut off, like i turned the key off. Fuel pressure is around 55psi when cranking. There is oil in the valley of the motor towards the fuel pump and turbo pedistal, but dosnt squirt out when cranking. just more than the usual amount of grime in there and its fresh. The tach bumps a little when i spin it over but the oil pressure gauge in the dash dosnt budge one bit, And the truck turns over like a champ. Hope someone can point me in the right direction, Thanks in advance for any help guys
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Old 02-03-2010, 11:44 AM
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Check your number 22 fuse under the hood. If its blow you have a bad fuel heater.

If that the case take your fuel filter out and drain the fuel bowl. then take the plastic tube out of the fuel bowl IT IS REVERS THREAD!!!! (righty loosy lefty tighty) and plastic so dont break it!!!

remove the fuel heater in the bottom of the fuel bowl and unplug it. then just re asemble. put a new fuse in the box and fire it up.

If your #22 fuse isnt blown try a crank position sensor.
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Old 02-03-2010, 11:46 AM
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would that kill it when its running?
also yeah the CPS is kinda a thought cause the tach bumps but dosnt read anything when cranking
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Old 02-03-2010, 11:48 AM
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Does your wait to start light come on?

If your number 22 fuse blows it kills all power to the computer. your dead in the water.

Usualy with a CPS failure you can get it to start again.
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Old 02-03-2010, 11:52 AM
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wait to start light dose come on, then go off just as if it would when the truck is warmed up
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Old 02-03-2010, 11:55 AM
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if it comes on its probly not the fuel heater. You might try throwin a cps in it. but fuses are prety easy to check.
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Old 02-03-2010, 11:56 AM
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My CPS went out while driving down the road, it did the same thing yours is doing. But no oil in the valley. Good luck...
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Old 02-03-2010, 11:57 AM
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i would cps it mine would stutter when it was going bad
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Old 02-03-2010, 11:58 AM
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Cps is gonna be my first place to start, Oil in the valley is screaming turbo pedestal so it probably needs o rings. Like i said it dosnt squirt it just seeps out so once its running i can further diagnose that, But main thing is a little compression ignition to happen lol
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  #10  
Old 02-03-2010, 12:02 PM
shaking things up

 

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lol yeah change out the cps and look at your oil rails to see if one of the plugs might be leaking a lil bit
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