Vehicle Speed Control Related Problems of the 1998 Mercury Marquis

Table 1 shows two common vehicle speed control related problems of the 1998 Mercury Marquis. The number one most common problem is related to the cruise control (two problems). The second most common problem is related to the speed control cable (one problem).

Table 1. Vehicle Speed Control related problems of Mercury Marquis

Problem Category Number of Problems
Cruise Control problems
2
Speed Control Cable problems
1

Recently reported Vehicle Speed Control problems of the 1998 Mercury Marquis

The Cruise Control problem

The contact owns a 1998 Mercury Marquis. The contact stated that while driving at approximately 60 mph, the cruise control failed. The failure occurred on several occasions. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure.   Read details...

The Speed Control Cable problem

After driving about 500 miles stopped and started vehicle, motor accelerated to almost full speed. Dealer contacted and found plastic shipping cover in throttle plate, which was stuck in to keep throttle open. Repair work done.   Read details...


Vehicle Speed Control related problems in other Mercury Marquis model year vehicles:



Fuel Economy of Marquis Vehicles
Marquis Service Bulletins
Marquis Safety Recalls
Marquis Defect Investigations