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1999 - 2003 7.3L Power Stroke Diesel  
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Old Apr 26, 2026 | 08:07 AM
  #16  
Kwikkordead's Avatar
Kwikkordead
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Here's another story. I was out with a chaplains's group in Tennessee a couple of years ago and the leader of the group needed to rent a pickup truck to tow a trailer from Washington state to Tennessee. It was a newer Dodge Cummins. Nice truck, but halfway through the week he lost his dashboard display. Completely dark, nothing happening when the ignition was turned on. Popped the hood and I started poking around with the relay panel that was mounted above the left headlight assembly. After reseating all the relays, the display started working again. A good testament as to how I wish for the days of old where everything was still analog and mechanical.
 
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Old Apr 29, 2026 | 02:10 AM
  #17  
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At this point I'd go over some common faults.

Pull wire from ICP and check for oil. Inspect underside of 42 pin harness, see if it's chafing and shorting on driver side valve cover. Swap in a new CPS, recommend RiffRaff special unit.

Thanks for providing detailed reports on symptoms, will pay off.
 
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