Power door locks have relays located inside the cabin fuse box. Locate the relays for the door switch and see if they need replacing. If so replace the units.
Power door locks are generally protected by a circuit breaker. Look under the hood for the power distribution box. Also under the dash to the left of the steering column.
were is the iac locate on a 1999 mercury mystique
Yes , the ELECTRIC fuel pump is inside the gas tank on a 1999 Mercury Mystique
According to the 1999 Mercury Mystique Owner Guide : ( 58.5 liters / 15.4 U.S. gallons )
The thread on cap on your engine coolant reservoir is the pressure cap / radiator cap on a 1999 Mercury Mystique
According to the 1999 Mercury Mystique Owner Guide : ( 58.5 liters / 15.4 U.S. gallons )
According to the 1999 Mercury Mystique Owner Guide : ( 5W-30 ) certified for gasoline engines ( 2.0 and 2.5 liter )
The 1999 Mercury Mystique OBD 2 port is under driver side dash next to hood release
IN the Middle!¬
In the drivers footwell behind the kick panel ( there is an access hole in the panel ) according to the 1999 Mercury Mystique Owner Guide
The thermostat for a 1999 Mercury Mystique is inside of the top water inlet. Remove the top radiator hose from the engine, and then inlet can be removed to get to the thermostat.
Personally, I get about 23 - 25 mpg. on my 1999 mercury mystique. I haven't counted high way mileage yet because I don't get on the highway alot.