on the frame rail underneath the passengers side just forward of the rear tire.
The 1991 2.2 Plymouth Sundance America has a oil capacity of 4.5 Quarts
That car does not use a maf sensor.
If the dash light on a 1991 Plymouth Sundance does not work, this may be because it is grounded. Another reason may be busted fuse.
Yes, the automatic transmission filter is located inside the transmission pan.
The engine computer handles the voltage regulator duties. The computer is behind the battery.
ON my 92 sundance the sensor is located on the side of the themostat housing. It also controls the cooling fan. If it quits, start the car let it warm up and unplug the sensor at the housing. If the fan comes on the sensor is bad.
In a 1991 3.3l the oil pressure switch is located beside the oil filter
under hood,usually in front of alternator,beside radiator.
6 x 8 Rear 5 1/4 front in the doors
Plymouth does not use inertia/reset switches
It's on the exhaust system just behind the engine. The easiest way to get to it is to go from underneath the car.
full filter locatoin on a 1991 Cadillac Seville