The vehicle may lose vehicle speed signal, which can affect speedometer operation and transmission shift quality. Most often the Vehicle Speed Sensor is faulty, however, at times, the driven gear inside the transmission is at fault. Replace the Vehicle Speed sensor and inspect the driven gear upon sensor removal.
Resources for the Repair and Maintenance of your 1994 Mercury Topaz
1994 Mercury Topaz
1994 Mercury Topaz Problems
If the throttle lever is out of adjustment, or the grommets are missing / broken at the throttle or transmission, the automatic transmission can shift hard. Replace the grommets as needed and adjust the throttle lever.
Poor rubber material used in the motor mounts can cause them to fail, leading to a knocking noise or lifting sensation on acceleration. The motor mounts will need to be replaced with revised parts.
Fuel pump failure can cause the engine to crank but fail to start. Diagnosis will show insufficient, or no fuel pressure, and fuel pump in the fuel tank will need to be replaced.
Internal heater blower motor issues can cause a ticking noise from the heater blower when the fan is on. To correct this concern, replace the heater blower motor with a revised unit.
1994 Mercury Topaz Recalls (Recent)
RepairPal Expert Overview:
Ford has recalled certain 1992-1995 Taurus and Mercury Sable models with 3.8L engines, 1994-1995 Taurus and Mercury Sable models with 3.0L engines, 1992-1994 Tempo and Mercury Topaz models with 3.0L engines, 1994 Tempo and Mercury Topaz models with 2.3L engines, and 1992-1994 Lincoln Continental models in certain cold weather states for an issue with the engine electric cooling fan. During high winds, low temperatures, and drifting snow, the fan could become blocked or frozen with snow. This could cause the fan not to rotate and ultimately overheat. Dealers will install a harness with a circuit breaker to protect the fan motor from overheating.
1994 Mercury Topaz Questions and Answers
the car will go in gear but wont kick in gear
The fan will not come on when engine is hot.
engines stay on idle speed and it gets over heating if not on trafic, if overheating is extreme it won't turn off with the ignition switch
I replaced my serpentine belt with an el cheapo from Auto Zone. It was quiet for three days and it started squealing again. I replaced that with an expensive NAPA belt. Again, three days later, ...