oil pressure gauge jumps

waxman

New Member
Aug 6, 2004
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central il
i have an 88 lx 2.3 l and when its get hot,at idle the gauge jumps,goes to 0 .rev it up it goes back to normal. is the sender bad,or other problems? thanks
 
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The only engine I had do that on was worn enough the oil pressure was really low when at idle and warm. It did not do that after a rebuild.
I’m sure there are diagnostic steps for if you doubt the gauge. But I’d first verify the readings with a mechanical gauge before doing anything else.
 
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