Bad coil?
Ignition module bad.
Spark plugs
Above the oil filter
R134a
98 mystique has only one cat conveter
ON a '98 Mystique it's on engine between engine and radiator.It has a "T" shaped handle on top.
5'8
A lot of things, but start with the distributor, and cam/crank sensors, then try the coil
you probably need a new or overhauled transmission friend!
98' headlights look better
Where is the camshaft position sensor located on a 98 Mercury Mystique 2.4??
This information will be either on the door or the door jamb.