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1992 Ford Bronco Low oil pressure

Tiny
HEAVY2HAUL
  • MEMBER
  • 1992 FORD BRONCO
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 220,000 MILES
I have had my truck for three years now. I have changed my oil when it's supposed to be done an have even went with a thicker oil. My problem is below 1100 rpm my oil gauge does not give me pressure. Above that it's fine or normal. The guy I bought it off of said he replaced the motor at 150k. He also gave me a short list of the parts he replaced already. All of which I have had to go back an redo an then some. Is it possible for a bad gasket or no gasket at either side of the pump cause this problem? Or just a bad pump? An one more thing I have replaced the oil pressure switch on the block. I find it hard to believe that he did replace the motor considering it really doesn't have that much power to start with.
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Monday, October 25th, 2010 AT 8:20 PM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Could be a gasket problem on the oil pump, the oil pump relief valve is sticking, oil pressure switch and engine bearings-BTW oil pressure don't move the engine, compression, fuel and spark creates the power to move it-
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Monday, October 25th, 2010 AT 8:36 PM
Tiny
HEAVY2HAUL
  • MEMBER
  • 3 POSTS
I'm going to go with DUH on the oil not moving the engine. I never even said anything remotely close to that but thanks for you're input an trying to make me feel like I don't know what I'm talking about.
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Monday, November 8th, 2010 AT 6:35 PM

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