If the oil level is fine, your oil level sensor or the sensor wiring is malfunctioning. Same for the ABS system. Check ABS fuses.
It is located at the rear of the van on the driver side behind the gas tank
CHECK YOUR OIL LEVEL
A 1992 Oldsmobile may not shift out of park because the transmission is stuck. Check to transmission fluid to ensure it is at the proper level.
Check the oil level in the car.
If you are talking about the fuel gauge moving on its own or when the vehicle comes to a stops this is controlled by the fuel level sensor it consists of a float, a wire float arm, and a ceramic resistor card. The position of the float arm indicates the fuel level. The fuel level sensor contains a variable resistor which changes resistance in correspondence with the amount of fuel in the fuel tank. If after you have scanned the vehicles computer and find no problems then to correct this you will need to replace the complete fuel pump, it only comes as complete unit...
check brake fluid level.
trans fluid goes right in tube used to check fluid level
Most likely brake fluid. Check the master cylinder level.
Add it the same place you check it, through the dipstick tube. Check the level with the transmission hot, in park, engine running, on level ground. Use only Dexron fluid. Do not overfill!!!!!
The dip stick comes out on Taurus 95-'05 so you can check oil level.The dip stick comes out on Taurus 95-'05 so you can check oil level.
I am assuming you mean there is volume from the blower but it is cold. If so, First check your coolant level, if it is low the first thing to empty is the heater core. Check this and get back.
Check your brake fluid level!