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fluctuating oil pressure guage

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Old November 22nd, 2014, 8:26 AM
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Default fluctuating oil pressure guage

My 1992 G30 has regular oil pressure at idle, then it spikes when accelerated. Any ideas?

Last edited by privatecarp; November 22nd, 2014 at 12:52 PM.
Old November 23rd, 2014, 2:54 AM
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Spikes to what? My van has oil pressure just about a 1/4 on guage at idle then goes to half way at speed. That is fairly normal.
If your gauge is spiking to full on engine revving then it could be a bad gauge or sending unit, or also a shorted signal wire.....grounding the wire will peg the gauge to full.....
Old November 23rd, 2014, 7:30 AM
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Thanks!
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