05 6.0l crank no start (I know another one) - Ford Powerstroke Diesel Forum
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post #1 of 3 Old 06-07-2013, 07:57 AM Thread Starter
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05 6.0l crank no start (I know another one)

have an 05 6.0l

oil cool and egr cooler changed 6 months ago put 25000km on it since
ficm 48.7 volts and syncs
egr valve was stuck open closed it and unplugged it
have base oil pressure
have fuel to secondary filter housing
icp pluggged and unplugged no difference

icp pressure 40ish psi at crank
ipr duty cycle jumps to 85% at crank

so i am at ipr valve problem or high pressure oil issue.

is there a way to tell the difference without taking the truck apart?

or am i completely off base?
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post #2 of 3 Old 06-07-2013, 02:22 PM
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I would look at the STC fitting first. While you have the turbo removed check to see if the IPR screen has any debris in it. Don't forget to do standpipes and dummy plugs while your doing all the work. After all this you shouldn't have any high pressure oil issues.

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post #3 of 3 Old 06-08-2013, 01:19 AM
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There is one other trick to try before tearing into the motor.
Disconnect the wires from the ICP sensor and see if it will start.
If it starts you have a bad ICP. If it doesn't start you probably have a HP oil system leak. Air testing is required. Procedure is in the sticky thread for no start.

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