Three problems related to engine exhaust system have been reported for the 1998 Mercury Mystique. The most recently reported issues are listed below.
Faulty catalytic converters.
Car being driven at around 30mph, numerous times, all power was lost, hit curb, had no steering, brakes, luckily could put in neutral and re-start, cranskshaft sensor was cracked, causing vehicle to die out. Very dangerous going thru intersection or driving downtown.
Exhaust system separated completely. Yh.