leaking oil at top of engine on a plug bolt?

2001 RENAULT CLIO
93,000 MILES
Avatar
BANKSY007
  • MEMBER
  • 3 POSTS
on the engine looking from under bonnet, behind oil filler cap, thers a black plastic square with a cable attached, and the bolt that screws into engine the oil is coming from there? what is that? i thought it was oil pressure switch but pics look different to what i can see, thanks in advance
Image (Click to enlarge)
Attached Media
Apr 28, 2012 at 12:11 PM
Advertisement
Avatar
KHLOW2008
  • CERTIFIED EXPERT
  • 41,814 POSTS
I don't have any information on your vehicle but based on the wire attached to it, it most likely is a sensor and if you remove the bolt and take the sensor out, you should see an O-ring which should be bad and causing the oil leak.
Apr 28, 2012 at 1:04 PM