I have a 2002 Chevrolet Corvette and everything was fine then all of a sudden my oil pressure gauge goes from 40psi to 80psi in 2 seconds ?? No oil leaks no oil seepage anywhere. Turned car off let it sit for 30 mins cranked it same thing immediately. I also turned ignition on without cranking car and same thing- 0-80 psi on gauge and digital readout 130 psi?? All other gauges are working fine,- voltage, fuel, temp. What could be the issue? Please help

Asked by Sep 26, 2015 at 11:25 AM about the 2002 Chevrolet Corvette Coupe

Question type: Maintenance & Repair

Oil Pressure Gauge

3 Answers

165

It's a common problem with LS1 oil pressure sending units. No real cause for alarm; just replace it. It's a little tricky, but you can do it. You have to remove the intake. Good luck!

1 of 1 people found this helpful.
15,125

Before tearing into the engine, if you can reach the sending unit, pull off the electrical connection and give it a good cleaning. It may be a poor connection or the connections is lose. If it does the same thing, do what joeybear1961 said, replace the sensor. that seems to be a common issue with a lot of vehicles, not just GM products.

1 of 1 people found this helpful.
35

I have a similar problem, thanks for the suggestions guys, I'll try both, I hope It's as simple as that..... I could use an easy fix , for once, ha!!

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