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Old 11-08-2013, 01:36 PM
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help please!

I just picked my truck up. its a 94 F-superduty. it had the DI turbo engine with the zf5 speed.

the P.O. claimed it had ran out of oil sputtered out and stalled. I picked it up yesterday primed the HPOP no luck firing it up. so me and my friend proceeded to do and injector buzz test all 8 buzzed. now on to the tricky part, the engine will fire off either, but will not stay running maybe will run for 5 sec tops. and it needs to sit for about 3-5 min between to get it to fire up again. with out either we checked hpo pressure it will build up to ~ 1200psi. it will start to catch billow white smoke and its done pressure drops to about 25psi. let it sit it we can do it again. dose this sound like an ipr to you guys?
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Old 11-10-2013, 07:18 PM
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the "ran out of oil" statement scares me.... WHY did it run out of oil? How about simple first? Is the fuel filter plugged?
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Old 11-10-2013, 07:43 PM
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1200 psi is normal that's what most are at running down the highway at 55-60. Have you checked out the GP system?

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Old 11-10-2013, 07:51 PM
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And by all means quit using ether unless you want to replace the heads now.
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Old 11-10-2013, 07:56 PM
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Start with basics. Sounds like fuel starvation as stated above. Is the in tank pump delivering fuel to the filter? How much fuel in the tank. Some of our failures in the tank have a pickup tube fault that will not deliver fuel at about 1/4 tank or lower. Is the fuel fresh?
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Old 11-10-2013, 08:33 PM
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Fresh fuel, I put 5 gallons in the rear tank and switched from the front because I don't know what he had in it but it wasn't diesel smelled kinda like paint thinner or kerosene. It has fuel, the filter has been changed and screen cleaned. The bowl was drained and it re filled it self with the fresh diesel. The either was just used to see if it will fire. But what dose it do so bad to the heads?

He stated the oil pan leaked which is very common here in the rust belt from the pans rusting out.

My question though, is why would it drop the high pressure off and not build it back up unless it sits for a few min? I'm going to replace the ipr this weekend. I was going to rebuild it but I broke it removing the plug so I figure that's a good place to start.
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Old 11-10-2013, 08:36 PM
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The pressure drops out because there is a timer. If it doesn't start within X seconds the IPR will dump all pressure.

Don't use ether, ever. Use WD40 or something like that.

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Old 11-10-2013, 08:41 PM
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Ok but it should re set that timer going to key off and back on correct?

And the either is it because the glow plugs will ignite it?
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Old 11-10-2013, 08:45 PM
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Yes. Ether will pre-ignite causing severe rod damage. Spitting/sputtering white/blueish smoke at start up is typically GP related.

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Old 11-10-2013, 08:49 PM
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I'll replace them, probably have 20 or so new ones at the shop allready checked the relay, it's good and functioning.

Also the truck had a super chips programer in it, I removed it and placed it back to stock setting.
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