Try changing the oil pressure switch.
now, where is the oil pressure switch?
on the dash next to the trip odometer switch is a rubber stopper or a hole that leads into the dash. push a pen into the hole(remove rubber stopper) and depress the button in there. this is to be done after every oil change.
Castrol 5w50 full synthetic
the previa holds 6.1 quarts of oil
I CHANGE MY OWN OIL IN MY 1991 PREVIA. 5W30 IS WHAT I HAVE USED FOR YEARS. PREVIA JUST PASSED THE 334,000 KM MARK
Bottom of the engine on the oil pan.
The oil pump may be changed when the oil level light begins to glow. Buy the oil pump from the eBay motors and it will be replaced.
If the question is in reference to engine oil then according to the user manual on my 95 previa it is 10w 30.
SAE 10w30
under the front driver seat
busted oil pressure sensor or oil level is already low - add more engine oil. try to fix the leak if the oil drips on a fast rate.
5.8 quarts
approx 6.1lt
underneathe the van by the oil filter.