on the back of the block behind the intake
check fuses & brake lights switch located on brake pedal
right behind the air filter toward the engine
It's right after the airfilter box
were is the iac locate on a 1999 mercury mystique
According to the 1998 Mercury Mystique Owner Guide : ( 61.5 litres / 16.2 U.S. gallons )
The fog light switch on the 98 Mystique is on the headlight switch. When you turn on the headlights, pull the switch towards and the fog lights should come on. Here is a link to the owners manual for the 98 Mystique http://www.analogstereo.com/pdf/om/mystique_owners_manual_1998.pdf
To replace the crankshaft sensor on a 1998 Mercury Mystique, first disconnect the negative battery cable to ensure safety. Then, locate the crankshaft position sensor, which is typically found near the bottom of the engine, near the flywheel. Remove any necessary components obstructing access, unbolt the sensor, and disconnect the wiring harness. Finally, install the new sensor, reattach any removed components, and reconnect the battery.
the library should have a shop manual for this vehicle, you can make copies of the right sections :)
yes
No , coil pack
The crankshaft position sensor on a 1998 Mercury Mystique is located near the bottom of the engine, typically on the engine block near the crankshaft pulley. It may be mounted on the transmission bell housing or directly on the engine itself. To access it, you may need to remove some components for better visibility. Always refer to a repair manual for specific instructions and diagrams.
That should be OBD 2