2012 CRD Common Rail. Oil light coming on.

[pollenface]

I drove for about 2yrs with the oil light on (I could not fault the car otherwise and know it's a common fault on zd30 engines)

Finally got around to replacing the oil switches. I replaced LHS first and no change, so replaced RHS and that did the trick.

The RHS one is easy to access with intake manifold removed.