1997 Powerstroke Wont Start - Ford Powerstroke Diesel Forum
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post #1 of 2 Old 01-23-2014, 01:08 PM Thread Starter
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1997 Powerstroke Wont Start

I have a 1997 Powerstroke CCLB 4x4... and it wont start.

It was working fine until i got it home and replaced the fuel filter vacuum switch (the switch on the side of the fuel bowl that controls the fuel filter light). I tried to start it up after that and all it would do is crank over.

Codes i got initially:

I have had these codes before and ive never had a problem. After going through the list of things i could think of checking i pulled a new code (p0603). Then when i went to start looking at it again i got another code (p1668). I am fresh out of ideas on things to try and would appreciate anything that anyone else could suggest to try.

I am getting fuel to the fuel bowl and when i crank it over i am getting a small amount of white smoke out the exhaust pipe (so i think im getting fuel through the system). The WTS light comes on and goes off. The tach moves.

Things ive tried:
Put the old Fuel filter vacuum switch in
Replaced the CPS
checked all the fuses and relays
checked the ICP sensor
Checked the wiring to the Injectors and Glow plugs as well as unplugging them
checked the oil level in the HPOP
Drained the fuel bowl and let it refill
Unhooked the batteries to try to reset the computer
Checked engine oil level

1997 F350 4x4 CCLB
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post #2 of 2 Old 01-23-2014, 05:39 PM
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Another thing to do is to check all the fuel bowl wiring (the IPR wiring is also part of that) carefully. Fuel leaks wreak havoc on the harness wire insulation and jostling it could have caused some wires to short, etc. Cheers!

1997 F250 SC 4x4, E4OD, 4.10 LS, Basically Stock, Relocated Block Heater Plug, External Trans Filter, Tru-Cool Max, I/C Mounted but not Plumbed

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