Oil light - any ideas?
Can anyone give me some hints on an oil problem? I have a 1998 Disco
The symptoms are:
- Start up (engine cold), no problem
- after about half hour's drive (engine now reasonably warm) the oil light
comes on a tickover (c700-750 RPM)
- a short while later, I cannot get the oil light to come on at all, so my
friendly local garage (who run a 110 with a 300TDI) think I'm going mad.
- yesterday, we drove for about half an hour at 70mph and when I slowed
down, the oil light came on at about 1100RPM
I've had the car in the garage a couple of times over this, but the mechanic
says that he can't find anything wrong - the engine sounds OK; pressure
readings are OK. He thinks it might be the pressure switch - does this seem
reasonable? It has Shell oil of the correct grade and a new filter (first
step was an oil change).
I'm open to suggestions . . .