97 7.3; crank no start - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 14 (permalink) Old 12-05-2010, 05:53 PM Thread Starter
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97 7.3; crank no start

Thought I posted this yesterday, but can't find it.

Bought a 97; 7.3;auto 4x4 for parts; it is a complete truck, just has been sitting for 3 years. So, I said heck, I'll try to start it; might make a great truck for my farm. I am not real familiar w/diesels. Batteries fully charged; block heater on for many hours. Wait to start light works; clicks off after about 5 secs; full of fuel.

Scenario:
1. Cranks but will not hit "at all" w/o depressing the pedal
2. Cranks but will hit & attempt to start while depressing pedal half way

Any suggestions on what procedures that I should take?
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post #2 of 14 (permalink) Old 12-05-2010, 06:13 PM
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Re: 97 7.3; crank no start

Does the tach move when the engine's cranking?
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post #3 of 14 (permalink) Old 12-05-2010, 07:56 PM Thread Starter
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Re: 97 7.3; crank no start

Tack moves; unplugged the ICP & it started instantly; runs rough; old fuel, I guess; Only could get 20 MPH; Is there any solution to mix with the fuel to help unclogged the injectors; or maybe a spray to use thru the air intake?

Thanks
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post #4 of 14 (permalink) Old 12-05-2010, 08:37 PM
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Re: 97 7.3; crank no start

Maybe the icp sensor is bad?

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post #5 of 14 (permalink) Old 12-05-2010, 11:47 PM
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Re: 97 7.3; crank no start

Power Service Diesel-911, maybe?
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post #6 of 14 (permalink) Old 12-07-2010, 11:39 PM Thread Starter
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Re: 97 7.3; crank no start: Sequence Update

*Fully Charged Batteries
*Block heater on for 3+ hours
*Scanned:
P0344 CMP Sensor Circuit Intermittent
P0603 Internal Control Module KAM Error
P1280 ICP Circuit Out of Range Low
*GPR checked OK
*Drained Fuel Filter
*Removed Fuel Filter (booger to get off) Tried a 1/2" drive; no go. Took a pair of huge pliers; inserted the grip part vertically; held handles w/one hand; other hand put a long screwdriver horizonally between the grips & slowly twisted it off (caution: wear gloves so you won't bust your knuckles)
*Added Diesel Kleen & replaced fuel filter
*Disconnected ICP & blew out oil with air (plug & sensor)
*Tried to start, no start, disconnected ICP; Started up; ran rough
*Replugged ICP
*Put in 4X4 range; Low & drove it for 45 minutes on my farm
3200 RPM was the max out; seems to be running on about 4-6 cylinders
*Placed in 2WD; 20MPH was all I could get across my field; more distance would have gotten 30MPH
*Shut it down: tried a restart, chug a lug; no start.
*Disconnected ICP: slow start, but restarted 3 more times

Proposed future format: will learn more about the P0344 CMP sensor & the P1280 ICP; see if I can purchase those from a recycled place & proceed.

Am I wasting my time on recycled parts?

PS You guys have been great; would have taken me forever to find all this info otherwise.

Later/Tater
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post #7 of 14 (permalink) Old 12-08-2010, 12:16 PM
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Re: 97 7.3; crank no start

The P1280 is your problem, with out 500 psi it is not going to start. I would start with the IPR valve.

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post #8 of 14 (permalink) Old 12-08-2010, 09:49 PM Thread Starter
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Re: 97 7.3; crank no start

Quote:
Originally Posted by toolmangary View Post
The P1280 is your problem, with out 500 psi it is not going to start. I would start with the IPR valve.
IPR Location is on the Driver's side of the HPOP, correct; description?? Plug sensor with wires, I presume??


Thanks
Later/Tater
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post #9 of 14 (permalink) Old 12-08-2010, 11:50 PM
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Re: 97 7.3; crank no start

IPR is mounted on the back of the HPOP. Two-wire plug that is just like the injector plug. IPR is a solenoid-operated valve (the ICP sensor is on the driver's side head). Cheers!

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post #10 of 14 (permalink) Old 12-11-2010, 12:37 PM
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Re: 97 7.3; crank no start

Just remember the IPR valve is open with NO voltage, you have to put 12v to it to close it and test it.

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1999.5 Jetta TDI 11mm pump S7 PP764's 3bar MAP
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