03 7.3 psd hickuping on freeway and stalling - Ford Powerstroke Diesel Forum
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post #1 of 3 Old 08-09-2007, 05:48 PM Thread Starter
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Angry 03 7.3 psd hickuping on freeway and stalling

I have a 2003 Excursion with the 7.3 psd and when I am on the freeway, it will all of a sudden miss and then catch itself. It seems like it is about to die. When at a light , it will die sometimes and then start right back up. I have changed fuel filter, air filter and module. Still the same thing happens. I traveled 900 miles to pick up a car and it was acting up every so often and when I got into town it stalled a couple times, like it doesn't have enough fuel pressure. I am wondering if the injector pump could be weak. The truck has 160,000 miles. Or possibly could the turbo be acting up?
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post #2 of 3 Old 08-09-2007, 05:49 PM
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Cam sensor is the likely cause....
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post #3 of 3 Old 08-09-2007, 05:51 PM
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Here ya go this is Marc's writeup 7.3 Cam sensor replacement procedure

2002 F-250 4x4 EC, SRW, SB
Auto 93,000 miles
DP Tuner F5
ATS Compressor and 1.0 Exhaust housing high flow back plate
Turbo Back 4" Silverline Exhaust Mbrp Muffler Delete
Isspro Trans,Pyro,Boost Triple Pod
Fumoto Oil Drain Valve
AIH Delete With Boost Fitting

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