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Oil Gage Problem

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Old May 22, 2004 | 04:43 PM
  #1  
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99Explorer
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Unhappy Oil Gage Problem

I'm having a problem with the oil gage on my 99 Explorer (V8). When the truck is first started up, the oil gage stays at "0" for approximately 1 minute and then suddenly (all at once) moves to the proper position. I'm certain that the oil pressure is fine and that I have some sort of intermittent problem. Has anyone come across this before? Where is the oil pressure sender on this vehicle?
Thanks
Mike
 
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Old May 22, 2004 | 05:08 PM
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Bob Ayers
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First, welcome to FTE!!!

If you do a search on oil pressure gauges, you will find out your oil pressure gauge is an "idiot light" type of gauge. It will either register "zero", or half scale, because the sending unit is a switch that closes with about 7PSI of oil pressure. Your symptoms sound like a bad sending unit "switch"...
 
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Old May 24, 2004 | 08:15 AM
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Is there any way to make it read the accurate oil pressure without changing the gague?
 
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Old May 24, 2004 | 08:43 AM
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Bob Ayers
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Originally Posted by jdawg11386
Is there any way to make it read the accurate oil pressure without changing the gague?
If you want accuracy, then you have to change the sending unit, and the gauge. If you simply want to see variations in pressure, then you can replace the sending unit "switch", with an analog (variable resistance) type of oil pressure sending unit....
 
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Old May 25, 2004 | 07:12 AM
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I am not too concerned with accuracy, I'd just kinda like to know the variations. Any advice on where to get a more accurate sending unit?
 
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