1991 Ford Crown Victoria Repair and Maintenance Costs
A guide to repairs, service, and maintenance costs for your 1991 Ford Crown Victoria
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1991 Ford Crown Victoria ProblemsEVP Sensor Failure May Cause Drivability/Fuel Economy Issues
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.
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.
Certain police, fleet, and natural gas models may experience lower ball joint wear, requiring replacement of the front ball joints. Ford has issued a recall on certain vehicles for this condition. Please contact your local dealer for more information.
1991 Ford Crown Victoria Questionsfreeze plug? (1 answer)
Car has a water leak at the back, underside, by the firewall, I think. I cant see it. I stopped driving it when it started leaking. I have decided to fix it. I noticed that the heater did not get warm this winter when I did start it up. One person said it was a freeze plug that went out, but I...
I have a water leak that is under the engine, about mid-car, or at the back near the firewall. I used to have a heater that works, but now the heater is not working. I've looked, and the hoses all look ok. I cant really see where the leak is coming from because it is under the engine. What...
The speedometer still works okay. The trip meter failed first and then a few months later the odometer failed.