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oil pressure gauge fluctuation

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Old Aug 22, 2007 | 10:36 PM
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oil pressure gauge fluctuation

tonight, for the first time, while idling, i noticed my oil pressure needle (centered in the middle of L-H as always) "tick" or bounce about 1/16"

never "low" or "high" pressure noted and no "tick" or bounce while driving, only at idle.

something to worry about?

she has 97k on the clock and runs like a champ....
 
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Old Aug 22, 2007 | 10:43 PM
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I wouldn't freak out about it. Your oil pressure can change due to RPMs or temperature? Just keep an eye on it, but honestly it shouldn't be a big deal.

JD
 
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Old Aug 22, 2007 | 10:48 PM
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Originally Posted by jdonline
I wouldn't freak out about it. Your oil pressure can change due to RPMs or temperature? Just keep an eye on it, but honestly it shouldn't be a big deal.

JD
it wasn't changing like it normally does...it literally "bounced" up and down.
generally, if i raise the idle, it increased smoothly....which it still does. but when i just sit there and idle, it "bounced"
 
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Old Aug 23, 2007 | 07:38 AM
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The gauge is a mechanical idiot light. If there is more than 4 psi, it should reflect a mid-range reading.

You might have a sending switch that is starting to flake out, a relatively common occurrance.

Steve
 
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Old Aug 23, 2007 | 01:09 PM
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It's probably the sender switch. I had mine go out over the winter. It is located right behind the oil filter housing.
 
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Old Aug 23, 2007 | 10:21 PM
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sweet! Thanks guys....if it *****s the bed, i'll be able to change it.
 
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Old Aug 24, 2007 | 04:45 AM
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Yeah, it's either the sending unit or a voltage variation, but normally all of the gauges would do that if it was a voltage issue.
 
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