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Ford Powerstroke 94-98 7.3L Discussion of 94-98 7.3 Liter Ford Powerstroke Turbo Diesels

99 PSD skipping

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Old 06-18-2012, 12:32 PM
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Default 99 PSD skipping
the truck has 91,000 miles on it, new filter aif filter no water in fuel, but when ur running at idle or at idlewarmed up, it skips and nmo codes no nothing but a skip and no blow by
 
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Old 06-18-2012, 02:24 PM
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CPS ever been replaced? What kind of skip are you talking about like a misfire? Or??

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Old 06-18-2012, 05:17 PM
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no sir what is CPS? It's like its got an injector not firing. thats the skip, cause it's like it's running on 7 CYL, Fuel filter been replaced, air filter good no water in fuel, oil change done.
 
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Old 06-18-2012, 07:11 PM
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Is this a Powerstroke motor or idi. Motor? If its a Powerstroke 99-03 they have a CPS there common to fail crankshaft position sensor start there.

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Old 06-18-2012, 07:23 PM
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I'd also check your valve cover gasket pigtails, both inner and outer.

Does it seem to miss when throttled up?
 
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Old 06-25-2012, 08:03 PM
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both but not much when ideling just a light dead spot, and it had a new cranks sensor put in it three years ago and it dont get used but four times a month
 
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Old 06-25-2012, 09:05 PM
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What year is it?

I'm betting on a dead dead injector (or bad cylinder) if it has a rough idle with a constant miss. I'd have it looked at by someone with a scanner.
 
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