You will not know. Just replace it every 50,000 miles.
Driver side 1/2 way back under the along the edge.
The fuel filter, on your 1993 Chevy 6.5 liter diesel engine, can be removed by turning the fuel filter to the left. The fuel filter will come off and can be replaced with a new filter.
Call Toyota and give then the radio model # they Ill give you the code
Follow the link below to the Previa user group.http://autos.groups.yahoo.com/group/previa/message/32333
Most likely you have a flasher that needs to be replaced.
How do you replace fuel filter on 1993 Buick LeSabre, the replacement filter I bought appears to be a snap on. I have only replaced the screw on type.
Fuel filter and fuel pump needs to be replaced.
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4 pounds aproximatly
By using water
A fan clutch can't be tightened, just needs to be replaced.
The fuel filter is located under the car in front of the gas tank.