99.5 7.3 won't start on side of road. - Ford Powerstroke Diesel Forum
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Old 05-12-2013, 08:05 PM
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99.5 7.3 won't start on side of road.

Was driving down the road and it hesitated then died. Cranks no start. Scan gauge 2 says no ICP pressure.

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Old 05-12-2013, 08:17 PM
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Has new t500 hpop about 600 miles ago. New IPR. Cranks and tack moves. No hpo. I unplugged ICP then IPR and no change in anything.

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Old 05-12-2013, 09:06 PM
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Pulled it home and took about a mile and a half to build enough oil pressure to start. Stayed in the throttle to keep it running. Won't idle. Shut off when I got home and it won't start again. Any suggestions?

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Old 05-13-2013, 04:17 AM
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Anyone??????

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Old 05-13-2013, 07:11 PM
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Well it started right up this afternoon after work. Wth could it be?

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Old 05-14-2013, 04:33 AM
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Wow no one can help?

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Old 05-14-2013, 08:11 AM
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Have you replaced your CPS?
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Old 05-14-2013, 07:37 PM
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I have not replaced cps. Didn't think that would cause no high pressure oil.

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Old 05-15-2013, 09:45 AM
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check the oil resovoir,oil must be about an inch from the top,if full, low or no fuel pressure will cause a low icp code on a 7.3 l. if low fuel pressure you will need to do a inlet restriction test with a vaccum gauge(6 1n vac is max limit per ford)if there is a restriction the fuel tank must be dropped and the small screens will need to be cleaned(total of 2).
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Old 05-15-2013, 06:16 PM
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Fuel pressure is good and I also just replaced the fuel pump with everything else. Did buzz test and two sound weak. Also same two had bad contributions when tested. Would an injector allow the hpop bleed off so bad that it wouldn't build hpo?

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