99' 7.3 L Died & Won't Start - Ford Powerstroke Diesel Forum
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Old 12-18-2006, 11:21 AM
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Question 99' 7.3 L Died & Won't Start

My 1999 7.3 L Powerstroke sputters when it rains. Hooked up a Bully Dog Power Puppy Programer I borrowed from friend and it read 1690. Anyone have any idea about that code? Now today since there is a little moisture in the air, started ok this morning went to job shut off. Started back ok again, then driving back home stuttered 3 times, and I shut it off and now it will not start back up. Thinking electrical due to problems when rains, any ideas? I do know I have power @ fuel pum fuse. I do not have power at fuel pump emergency shutoff. I am open to any suggestions, this is my work/utility truck so I am dead in the water. Thanks to All!
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Old 12-18-2006, 12:15 PM
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1690 is wastegeate control valve malfunction. Shouldn't have anything to do with no start. Have you checked codes since it won't start. Do you have an early 99. Does the air filter suck from the fender well or does it suck from up by the gril. The early 99's had a filter system that sucked from the fender well and when it rains they woud suck water through the inner fender well into the air filter housing causing the filter to look like wet toilet paper then would cause a lack of power concern. It sounds like you a have Cam sensor problem but it is odd it only happens when it is raining. You may try unhooking the ICP sensor and see if it will start then. If it does replace the ICP sensor.
Here is a link to a picture of the location of the ICP sensor.
ICP sensor location pictures from trucks photos on webshots
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Old 12-18-2006, 12:36 PM
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Yes it is a early 99. Yes it does suck from the fender well. Ok, tried unhooking the ICP sensor and still will not start. Anything else to try? Since it will not start, code showing 888. Like will not read codes.
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Old 12-18-2006, 12:49 PM
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shootin in the dark here, but maybe the cam position sensor is failing.
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Old 12-18-2006, 12:52 PM
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If your not comunicating with the pcm check fuse #30 under the dash. It powers the fuel heater and the PCM. If it is blown unplug the fuel heater and replace the fuse.
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Old 12-19-2006, 02:31 PM
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Did you get it running??
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