Vehicle Speed Control Related Problems of the 2005 Mercury Montego

Table 1 shows four common vehicle speed control related problems of the 2005 Mercury Montego. The number one most common problem is related to the vehicle speed control (13 problems). The second most common problem is related to the car accelerates on its own (six problems).

Table 1. Vehicle Speed Control related problems of Mercury Montego


Recently reported Vehicle Speed Control problems of the 2005 Mercury Montego

The Vehicle Speed Control problem

The car has been lurching forward and decelerating randomly. Keeps going into "failsafe engine mode" and the wrench light comes on but only for a few moments, then runs normally again after restarting. Haven't been able to have the light on long enough to get diagnostics done.   Read details...

The Car Accelerates On Its Own problem

Tl- the contact owns a 2005 Mercury Montego. The contact stated that while driving approximately 30 mph the vehicle experienced unintended acceleration causing the driver to crash into the rear of a second vehicle.   Read details...

The Cruise Control problem

Sudden acceleration while in cruise control mode 65 or above. And will not stop unless brakes are applied to disengage the cruise control mode.   Read details...


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



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