NO START! PLEASE HELP! - Ford Powerstroke Diesel Forum
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post #1 of 14 Old 04-16-2010, 05:03 PM Thread Starter
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NO START! PLEASE HELP!

1999 7.3L wont start. The truck will crank all day...but will never fire. Banks is throwing a ICPO ERR code. Looked that up and it says on the internet that that means the output from the ICP sensor is not right. Made sure all the connections of the harness were good. Asked a Diesel Tech at the Ford Dealership and he said it could be a million things but seemed to be most worried about the IDM. Injection Driver Module. I have no idea. Took the plastic cap off the filter and the fuel bowl was full. Checked the oil reservoir right beside the fuel filter and the oil level was a little low may 1.5 inches below the top. Please help me out. Im not sure at all what it is.
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post #2 of 14 Old 04-16-2010, 05:20 PM
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as far as i know, a bad ICP sensor won't cause it to not start. good idea to replace anyway, a common problem with the 7.3L engine. have you had the CPS changed? if not, replace that, a couple bucks at the dealer.....

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post #3 of 14 Old 04-16-2010, 05:25 PM
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What code?? Could be HPOP failure, injector O-rings, IPR
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post #4 of 14 Old 04-16-2010, 05:27 PM
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try to unplug the icp and start it.could very well be the idm.

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post #5 of 14 Old 04-16-2010, 05:45 PM
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any blown fuses? fuel bowl heater is sometimes a problem.

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post #6 of 14 Old 04-18-2010, 03:41 PM Thread Starter
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Unplugged ICP...no start same thing. Starting to think is is indeed the IDM. Any tests to tell? Instructions for the replacement? I sure as Hell am no gonna pay Ford $1200 to replace. HAHAHA
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post #7 of 14 Old 04-18-2010, 03:42 PM Thread Starter
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Also, NO blown fuses...
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post #8 of 14 Old 04-18-2010, 05:36 PM
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are you seeing the tach move while cranking?
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post #9 of 14 Old 04-18-2010, 09:16 PM Thread Starter
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While cranking...The only tach that moves is the fuel level from Full to Empty. Nothing else moves.
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post #10 of 14 Old 04-18-2010, 09:41 PM
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your tach should jump a bit when cranking, change the CPS
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