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Topic: Oil pressure guage acting up

in Forum: C3 Electrical


Oil pressure guage acting up

Posted: 10/25/05 12:15pm Message 1 of 5
Former Member
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Savannah, GA - USA
Joined: 1/20/2005
Posts: 936
Vette(s): 1982CE,32,000 and counting. (fast!!) 1981 Vette, black on black. ZZ4 (quick!!)
It just started yesterday.I noticed that my guage was pegged way past 80.Then when I started it back it was fine.Then when i restarted it was pegged again Ect.Is this an electrical problem or is it like the old kind that has a plastic tube that has the oil in it.How do it fix this?


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Oil pressure guage acting up

Posted: 10/25/05 2:35pm Message 2 of 5
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Kingston, TN - USA
Joined: 7/5/2003
Posts: 900
Vette(s): 1970 Vert Both Tops Kiesler 5 Speed Steeroids Rack and Pinion Stayfast Convertible Top
Yours being an 82, would have an electric oil pressure gauge. 


Oil pressure guage acting up

Posted: 10/25/05 2:46pm Message 3 of 5
Former Member
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Savannah, GA - USA
Joined: 1/20/2005
Posts: 936
Vette(s): 1982CE,32,000 and counting. (fast!!) 1981 Vette, black on black. ZZ4 (quick!!)
Does this mean I need to replace the guage or a sencer?I guess I can check my shop manual or my assembly manual.Thanks,at least I know what type of guage I have.


Oil pressure guage acting up

Posted: 10/25/05 2:57pm Message 4 of 5
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KERNERSVILLE, NC - USA
Joined: 1/13/2004
Posts: 1355
Vette(s): 1968 L-71 convertible
I'd start with the sensor, it's the cheapest, easiest way out and most often the problem.


Oil pressure guage acting up

Posted: 10/25/05 4:10pm Message 5 of 5
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Duncanville, TX - USA
Joined: 11/8/2003
Posts: 20214
Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/ Am-Fm/map light National/Regional/Chapter NCRS "Top Flight" #2-1985 Bright Red/Carmine Cp.L-98/auto Member: NCRS, NCRS Texas, Corvette Legends of Texas
It is most likely going to be an electrical problem. The gauge "peggin out" means the sensor wire is shorted somewhere(maybe around the exhaust), or the gauge itself may be losing its ground. Check the sensor area first, and see if the wire to the sensor is touching the exhaust, or has a worn spot in it somewhere that is allowing it to short. If you disconnect the wire at the sensor, the gauge should show "0". If it doesn't, then you have a short in the sensor wire, somewhere, or a bad groung to the gauge.


Joel Adams
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in Forum: C3 Electrical


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