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1993 Ford Bronco Oil pressure gauge

Tiny
BP1110
  • MEMBER
  • 1993 FORD BRONCO
  • V8
  • 4WD
  • AUTOMATIC
  • 133,371 MILES
Once my engine warms up my oil pressure gauge flutters on almost zero pressure when at idle speed. But once I accelerate the pressure returns to normal immediatly and then returns to low when I slow down. Also if I shift into neutral or park the gauge quickly returns to normal. Any suggestions on what the problem is would be greatly appreciated.
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Saturday, February 6th, 2010 AT 8:43 PM

4 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,938 POSTS
Hi there,

First thing to do is have the engine oil pressure tested with a mechanical gauge, this will give us the actual readings, this may just be a faulty sender or dash gauge, post the readings here, cold idle, hot idle & hot 2000 RPM.

Mark (mhpautos)
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Saturday, February 6th, 2010 AT 8:47 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
If the engine is not making any type of knocking noises upper/lower end of the engine-I wilkl start by replacing the oil pressure switch
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Saturday, February 6th, 2010 AT 8:48 PM
Tiny
BSTUBBS2
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  • 1 POST
And what if your engine is making a knocking noise at lower end of engine?
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Wednesday, February 17th, 2010 AT 8:25 PM
Tiny
MHPAUTOS
  • MECHANIC
  • 31,938 POSTS
If your engine is knocking, this will be the crank bearings destroying themselves with no oil pressure.

Mark (mhpautos)
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Thursday, February 18th, 2010 AT 4:42 AM

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