[ZippyC4]

Has anyone had an oil sensor go bad. I have a 99 and the mechanical oil pressure gauge is maxed out at 80 psi and the electronic gauge say its at 129 psi. The car runs fine, I just changed the oil to make sure it wasnt that, and it still reads this. I would imagine the sensor sending unit is bad, but cant find it. Any sugestions. Please help!!
Brian

 

[iburke]

Do both gauges use the same senders...

 

[chevy406]

This is a very well documented problem with the C5s (do a search on oil sender unit here or on the other forum). I had to replace the sender on my '99 just a couple of days after I bought it. There are two ways to get access to it. Either remove the intake manifold, or cut an access hole beneath the winshield wiper cover, at the base of the windshield. I cut the access hole, and it was only a 30 to 45 minute job.

 

[MAVEN]

Yeah theres only one oil pressure sensor, its at the back of the engine to the left of the cam sensor, you should(need to) remove the intake manifold to replace it.

 

[ZippyC4]

thanks

hey, thanks for the help on this as I will replace it today.

 

[Poncherello]

Remove the intake manifold.
Remove the Engine Oil Pressure (EOP) sensor electrical connector. Make sure you clean the area around the sensor before removal. This avoids debris from getting into the engine.
Remove the EOP sensor.

Good luck!

 

[robcop57]

oil pressure sensor

I finally got tired of replacing it, so i unplugged it, no more lights, chimes or bouncing gauge. it didnt work anyway, I plan on re-locating the sensor.