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Old 01-07-2010, 06:36 PM Rookie

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runs rough and shuts off

i have a 97 superduty 7.3, driving down the road one day there was a lil grinding noise and lack of power.. in about 2 miles it went away.. then a few days later there was no power at all it barely idled..

so i plugged in with scan too and got a ebp circuit failed code, went to lacal navistar shop got a new sensor and camp.. put parts on truck and it ran for about 5 mins and shut off.. i figured it was time for new glow plugs and harness, when i started on that come to find out the old under the cover harness was burnt so i went to local salvage yard and got new un melted engine harness,

still runs for few mins and dies, got a know goood used high pressure pump nothing, replace ipr, fuel pressure regulator and just getting tired of putting parts on it.. any suggestions??????

new glow plugs
valve cover harness
engine harness
high pressure pump
pressure regulating valve

no codes and good icp
what am i missing?
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Old 01-07-2010, 06:41 PM
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wiggle the icp connector that plugs into the actuall sensor. that was the problem with mine. i would wiggle or shift it and the truck would stall or idle super rough. i put a new connector on it, and it runs better then ever
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Old 01-08-2010, 07:09 AM
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is it the icp or the ipr that you can just unplug to diagnose? somoen will hopefully say and then give that a try.

also do you have fuel in your bowl after it shuts off? have you checked your fuel pressure?
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