Oil pressure switch or something worse?

[keza87]

I have a VN S1 wagon and the other day I gave the engine a clean at the car wash place with the pressure washer. Ever since then the oil pressure light comes on! When I switch the ignition on the light is on. Straight after starting the car the light goes out then after about a minute the light comes back on. And it does it every time!

Have I just stuffed the switch or is it telling me there is something wrong? The car still goes as it did, the oil level is correct, I have unplugged the switch and left it a day to dry out but it is still the same!

Any suggestions are appreciated

[Doctor Bob]

its likely the switch has failed
pretty common with over zealous engine washing.lol

Rob

[xlr8_87]

could this also be a cause for the oil light to be coming on randomly? mine does it fairly often.
If so, are they easy/cheap to replace yourself?

[Doctor Bob]

its possible yes, easy to replace.
take the connector off unscrew the old one
screw the new one in

Rob

[stmcomms]

Hi, I did this as well but with a degreaser first then a hose to wash it off, it stuffed the sensor.

[keza87]

Thanks for your knowledge, I will replace the sensor and see how it goes!

I did the same thing stmcomms, with the degreaser first

[hldnboy]

been there and done that

[fitzy2005]

if water got into it you may not need to replace the sensor, make sure there is no water sitting on the connecters / pins etc

[peter65]

dont panic... i have done the same thing a couple of times.... overzealous degreasing/then water hosing has caused the problem. After it all dries out it comes good. Note that even if you have damaged the switch, it is only a (approximately) $15 holden part - mine was weeping so i replaced it. And its only a 15 min job. pete

[MyVPIsFasterThanYourVP]

woo hoo im not the only one with a randomly recurring oil light warning, after washing the engine. heheh