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Old 07-19-2007, 10:25 PM
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Loss of power

I have an intermitin problem, the check engine light comes on and the engine loses power. Feels like the turbo shuts down. This happens while driving normal and or pulling the 5th wheel. Some time it will reset after shutting down for 15 min or more.
1994 350
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Old 07-19-2007, 10:34 PM
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Mine is doing the same thing and I think I've narrowed it down to a speed sensor but I could be wrong.

Welcome to the site, get your codes run and let us know what they are!!!
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Old 07-19-2007, 10:39 PM
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At this time I have not been able to get a readout on the codes. This truck seems to be a late 94 as it has both ob 1 and ob 2 connectors.
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Old 07-19-2007, 10:46 PM
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sounds like the engine de-fueling due to overboost.... could be just me but try a map fooler, the mods are pretty cheap and that could resolve that problem pretty painlessly. hope this helps!\

EDIT: Actually on a 94, that coudlnt be the problem... but on the '01 it could...
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Old 07-20-2007, 03:11 AM
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if its an early 94 and has obd1 out uner hood , you can get codes pulled but it is very hard to diagnose, they also did have the obd 2 under dash , most of them had been programmed to be able to diagnose with obd 2 , have someone hook a obd2 to it to see if it will communicate , if so will be easier to diag, always start by getting codes pulled
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Old 07-20-2007, 05:03 AM
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Loss of power

Thank U-all for your help. I will try again to find someone here that can read the codes, up till now they have said that nothing shows up on the scanner.
I guess I will have to pay the price for a scan at a ford dealer!
My previous exp with diesels is a JD tractor and a Kabota tractor. I didn't have to pay $50 or more to find out what the trouble was. My feeling is there are too d--- many sensors. Just *****ing.....thanks again fellows. Moose
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