Replace the oil pressure sender first (assuming it's a 1.9)  If you
are lucky nothing else is wrong.

Did you do a compression and leak down test?   Do you know the
history of the bottom end?

If you have low oil pressure it may be a lot more than the oil pump...

:(

>Hi all
>Was pondering a oil pump change in the van.
>am i just stupid to do it or just rev the engine to 1400 rpm at a
>light all the time to keep the light off??
>it has 20-50 in it now. am i at the end of the oil pumps life? or
>put in straight 50W to Hyploid to make my own engine weight oil??
>just foolin
>i do have a lift (2 post style) and lift jacks to support the motor
>trans. ive been called a Hobbiest Extreme at times. but if i put it
>in the air and support the motor,