truck running badly - Ford Powerstroke Diesel Forum

 
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post #1 of 5 Old 08-06-2009, 08:58 PM Thread Starter
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truck running badly

well my 2000 f250 powerstroke is running like crud and has no power. it is knocking really bad revs slow. well the truck buzz tested ok but 6 and 7 were low. the compression knock test 2,4 and 8. the weird thing is when it starts up it runs fine for a bout 2 seconds then it is down hill. it does this about 200 miles after a oil change just like the last time it did it.


need help

scott

Last edited by scott037; 08-07-2009 at 08:03 AM.
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post #2 of 5 Old 08-07-2009, 03:13 AM
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Check your UVC harness connections, check for codes. Read FP when this happens.

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post #3 of 5 Old 08-07-2009, 07:35 AM Thread Starter
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well the only code it throw was idm codes present and the snap on lab top wouldn't look any deeper than that. and if i disconnect the icp it doesn't change a thing.
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post #4 of 5 Old 08-07-2009, 08:54 AM Thread Starter
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please help me
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post #5 of 5 Old 08-07-2009, 10:05 AM Thread Starter
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any body know what happens when the idm goes bad
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