Thanks all for that I'll fit an oil pressure switch next week.:)

Got a '98 300tdi and has worked beautifully so far but in the last couple of weeks the oil light has come on when idling. Chugging around minor roads everthing is OK at idle but if I go at 65+ for a few miles then the light will come on at idle but then will be ok again at lower speeds. The temp...

Quick update for anybody who is interested It was a immobiliser problem so I immobilised the immobiliser by running a line from the fuel stop solenoid to the ignition and hey presto! problem solved...actually I didn't do it a mechanic did..£25:)

Thanks Ratty...I'll try that

Bought a '98 300tdi 3 months ago,am well pleased as its my first disco and it runs really well, however within the last week I am beginning to have problems getting it started. I turn the key, engine turns over but doesn't fire up, usually happens when the engine is warm and then only...