On a 1989 Ford Aerostar :
I believe the oil pressure sending unit for the oil pressure gauge
on the 4.0 liter EFI , V6 engine is on the drivers side of the
engine below the Power Steering pump
On the 1989 Aerostar it is under the dash near the passenger door.
On the passenger side fire wall in engine compartment !
Oil Pressure. $9 at nextag.com
how do you fix a gas guage on a 1989 ford aerostar
On a 1996 Ford Aerostar , 4.0 liter V6 engine : The oil pressure sending unit for the oil pressure gauge is on the drivers side of the engine below the power steering pump
For most 14 inch tires on the Aerostar the average pressure is 35 pounds.
passenger side pannel by floorboard / behind side pannel just below heater core.
The fuel cut off switch is bad! Replace it
Huh?
It is inside the fuel tank.
When the Aerostar is equipped with this switch, it is located at the P.S. pump. A branch off of the engine harness at the intake manifold usually comes down to plug into the switch, and the connector is identical to the one on the coolant temp sensor on the manifold. Sometimes, however, the switch is absent.
It is attached to the liftgate latch assembly.