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...New Engine?

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Old Jul 15, 2002 | 07:26 AM
  #1  
mike90sc's Avatar
mike90sc
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From: Front Royal, VA
...New Engine?

Hey Guys,

After finally finding the oil sending unit thursday night, I discovered there is a special socket to get the oil sending unit out. Swapped it out and still I los oil pressure within 1 mile of driving. Every time you hit the gas, pressure instantly drops. Now, it also runs real rough. Idle varies between 500 and 1200. Within the last 3,500 miles, I replaced IAC, EGR, TPS, plugs, wire, PCV, and air/breather filters. The exhaust smells nasty and it also has no power. I ckecked oil and it is clean. Am I looking at having the bottem end of the engine rebuilt? I am feeling pretty sure that the oil pump may have gone out in it. But Ialso wasn't sure if I had a head gasket go (internal leak?) or if the computer has croaked. I had the shop come and get it becuase I didn't want to make a bad situation worse by driving it. Any thoughts are greatly appreciated. In case you missed my first post it is a 90 F150 XLT Lariat 4x4, 5.0, AOD, with 118,000 miles on it. Truck has been well maintained with 3,00 tp 4,000 mile oil changes. I have been using Valvoline Maxlife 10W30 and Bosch oil filters. Thanks!

Mike
 
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Old Jul 15, 2002 | 09:14 AM
  #2  
oregon250's Avatar
oregon250
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From: USA
...New Engine?

[updated:LAST EDITED ON 15-Jul-02 AT 10:15 AM (EST)]Go and get a compression test done on each cylinder and have them check your cooling system for leaks. This isn't that expensive and may save you a couple of thousand if you don't need a new engine.

Geoff

1993 F250 4X4 460cid (7.5l)
 
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Old Jul 16, 2002 | 07:22 AM
  #3  
mike90sc's Avatar
mike90sc
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From: Front Royal, VA
...New Engine?

Yeah, that is part of their diagnostics. This shop is usually pretty decent. I haven't heard from them yet, so I will post the results when I hear...

Mike
 
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Old Jul 17, 2002 | 01:18 PM
  #4  
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sixcar
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Joined: Jul 2002
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...New Engine?

Try a new oil filter. In some rare cases, the oil filter bypass may stick open. Otherwise, make sure you have strong vacuum to the PCV valve.

Good luck.
 
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Old Jul 17, 2002 | 01:36 PM
  #5  
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hitecdan
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From: Campbell, California
...New Engine?

 
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