Bob, thanks. I have been reviewing my Haynes repair manual and it says the
same thing. It mentions an oile pressure relief valve in teh housing. I'm
begining to think it has something to do with that. The oil light has done
this before early this year and then stopped acting up until just recently.
For the $$ I can try a new sending unit to see what happens 1st.


"John Doe" > wrote in message
...
> Group,
>
> I have a 97 SL, 215K miles. Now that it is cold, the oil pump light takes
> a long time to go out. I can tell a difference in the valve tapping
> sounds when the light goes out. At idle, it flickers on. I have been
> using 10W-30 over the summer months. Any ideas?
>
>