Ford Crown Victoria Car Problems

Engine Stalling and/or Hesitation on Acceleration due to Faulty Idle Air Bypass Valve on Ford Crown Victoria

Problem Description and Solution

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.

(10 people reported this problem)

Problem Data

RepairPal Verified
Average mileage: 135,000 (52,000–253,000)
Engine affected: 5.0L V8
4 model years affected: 1990, 1991, 1999, 2000

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Brake problem? Or maybe a faulty head gasket cylinder?
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Viewing 1-3 of 3 comments
did not fix it yet cause i just found out what was causing this when i got on here but yes ,hesitate when taken off ,also hard two strart, also ruff idle.
4.6L engine. Idle Air Selenoid would stick on cold startup and barely idle and stall out. Hard rapp with a screwdriver handle and it would idle OK. Replaced Idle Air Selenoid to correct problem