Someone please help
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New User
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Someone please help
Please help me I'm stranded my 2003 5550 4X4 7.3 Turbo diesel loss of power blowing I'll out of the front or the oil pan and running rough and I'm in route from OKC city to Chandler AZ with only Penney's to get there for a job I'm sure the back gate is stuck shut on the turbo and I'm not a mechanic can somebody please tell me what I can do my name is Paige my cell is 928-308-8688 thank you so very much
Laughing Gas
Joined: Aug 2010
Posts: 1,049
Likes: 230
From: Amarillo, TX
Would help a lot if you could tell exactly where you're losing oil(I assumed that's what you meant). The Injectors in the 7.3 use high pressure oil to fire, so if your oil level runs too low, the truck won't run. By "back gate" on the turbo, are you referring to the wastegate or the exhaust back pressure valve? Finally, are you in a safe place to be working on this thing, or stuck on the side of the road?
Thread Starter
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New User
Joined: Jan 2020
Posts: 7
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Would help a lot if you could tell exactly where you're losing oil(I assumed that's what you meant). The Injectors in the 7.3 use high pressure oil to fire, so if your oil level runs too low, the truck won't run. By "back gate" on the turbo, are you referring to the wastegate or the exhaust back pressure valve? Finally, are you in a safe place to be working on this thing, or stuck on the side of the road?
Laughing Gas
Joined: Aug 2010
Posts: 1,049
Likes: 230
From: Amarillo, TX
Sounds like the front main seal or the oil pump itself(it sits on the crankshaft behind the balancer). The wastegate being stuck shouldn't affect anything - its only function is to vent excess boost, which doesn't seem like it'll be a issue with the way your truck's running. If the oil pump is shot or leaking oil very badly, it likely won't supply enough oil pressure to the High Pressure Oil Pump(HPOP) to fire the injectors. If possible, refill the oil & see if you can get it to start & run long enough to get to the next town; If not you're looking at a tow, or replacing the seal or oil pump where it sits:
https://www.powerstroke.org/forum/99...eplacemnt.html
https://www.powerstroke.org/forum/99...eplacemnt.html
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