1990 Ford Crown Victoria Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1990 Ford Crown Victoria
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1990 Ford Crown Victoria ProblemsBattery Light Due to Damaged Alternator Connector
The battery light may illuminate on the instrument panel because the alternator wire harness connector is damaged. A new connector kit is available and should be installed to correct this concern.
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.
If you experience difficulty starting the engine when cold, stalling at idle, or hesitations during acceleration, it may be the idle air bypass valve. This valve helps the vehicle idle steady when the accelerator pedal is not pressed.
1990 Ford Crown Victoria QuestionsWhy do I see a screw coming out the bottom of my tank why is my tank leakING Onl (1 answer)
Only when you turn car on my tank starts dripping gas