Motor went haywire, redlined, then shut off?? - Ford Powerstroke Diesel Forum
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Old 05-24-2013, 04:27 AM
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Motor went haywire, redlined, then shut off??

Ok everybody. What would happen if gas got in diesel. My truck just went haywire 5 miles from the fuel station. It was like the accelerator stuck wide open, then the exhaust turned whitish grayish, then the I turned the key off and it wouldn't shut down! I was approaching 80 so I thru it in nuetral bc I was on a county road. It wrapped out at 5000+rpm then finally shut off. There's oil and fuel all down the passenger side and its definitely FUBAR. this truck has been perfectly fine until this. I'm having it towed to a shop here in Findlay OH and having them test the fuel first thing. If it's not fuel what could've happened?!
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Old 05-24-2013, 04:48 AM
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Oil coming from a shot turbo, or any other way it can get it the intake. Can be very scary. Probably junked the motor.
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Old 05-24-2013, 04:58 AM
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The white smoke is the biggest give away. I you could have plugged the intake with your shirt it would have helped, but when a turbo diesel starts running on oil the party is on. Gas would have not done this. When you turn your key of the injectors quit firing. The worst problem with burning oil is the fact that the engine redlines while it sucking all the oil out of your oil pan. The most common cause is a turbo that is shot and lets oil into the intake. The only way to really know it was going to happen was to have pulled your boost tube off and check it out. If you own a diesel truck it's not a bad idea to check your turbo for oil leakage. I don't know what a 6.4 redlines at, but I'm going to say you exceeded it. You had to be noticing oil disappearing off the dip stick before this right? I mean anythings possible.
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Old 05-24-2013, 04:59 AM
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Could be a fuel issue, but I wouldn't count on it. Sounds like a blown turbo seal allowed oil into the intake path letting the engine run off of oil instead of diesel, which is why it didn't shut off when you hit the key. I hope I am WAY off, but I'd look to a toasted engine...
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Old 05-24-2013, 06:10 AM
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Well, sounds like I'll be replacing a motor. It was pegged out at 5000rpms (maybe higher the tach just stops there). Well, anyone have suggestions on where to get a re-manned motor. I can't afford building one right now...
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Old 05-29-2013, 06:13 PM
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How many miles?
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Old 06-03-2013, 12:20 PM
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139,000 on the current motor.
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Old 06-04-2013, 07:21 PM
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Ok, when I opened my intercooler up, pulled half a gallon of oil, blown high pressure turbo. Since the trucks fubar just pull off the hot intercooler pipe and see if there's a crisp load of oil
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Old 06-04-2013, 07:27 PM
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And man i don't know know of where to find one. Hit the junk yards, find a wrecked one, and boom there you are
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Old 06-05-2013, 05:40 AM
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Quote:
Originally Posted by ramonpowerstroker View Post
And man i don't know know of where to find one. Hit the junk yards, find a wrecked one, and boom there you are
The problem with junkyard motors is you don't know if you're getting a solid motor... I think I'm going to see what parts on mine are good and make the decision from there. If the block and crank good I'm probably going to get new rods, pistons, and have the heads worked over, replace the turbo, check the injectors and keep on keepin' on.
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