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Loss of oil pressure.

Tiny
MACH13
  • MEMBER
  • 2000 FORD EXPEDITION
  • V8
  • 2WD
  • AUTOMATIC
  • 154,233 MILES
I have a 2000 Ford Expedition 4.6L engine. Truck turned off while driving. Tech replaced driver side cylinder head and had passenger side Cylinder head machined to acceptable specs. Truck is running smooth but one thing. I have been experiencing sudden oil pressure drops. Tech replaced oil pump and still same condition. Tech replaced Half Block which he told me was the lower half of engine due to leakage, STILL same problem!Time varies in oil pressure drop, it'll last from 2-3 minutes to 30 minutes after the engine is started till condition occurs.
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Monday, March 28th, 2011 AT 6:31 PM

1 Reply

Tiny
CJ MEDEVAC
  • MECHANIC
  • 11,004 POSTS
Have you actually ridden with a mechanical gauge beside you? Please see this post (keeps me from huntin' and peckin' forever...if it don't highlight, copy and paste it on a new tab______ https://www.2carpros.com/questions/1995-ford-explorer-after-repairs-oil-pressure-drops-to-0-at-idle ______The Medic
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Tuesday, March 29th, 2011 AT 3:53 AM

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