1993 Mercury Grand Marquis Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1993 Mercury Grand Marquis
1993 Mercury Grand Marquis Problems
The throttle position sensor (TPS) may fail. Common symptoms of a defective TPS can be rough idle, hard starting, hesitation on acceleration, poor fuel economy, and stalling.
The EGR valve position (EVP) sensor can fail on this vehicle. The EVP sensor measures the EGR valve position and transmits the date to the engine control computer. If it fails, drivability and fuel economy can suffer, the Check Engine Light will commonly illuminate.
1993 Mercury Grand Marquis Questions
Ok so I have picked up this weird problem. The car has 68,000 miles on it, today the front right brake caliper locked up and is pulling the car to the right side. It doesn't matter if you press the brake or not its dead locked to the rotor. From what I can tell it's only that side (front ...