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

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.

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Average mileage: 25,400 (25,400–25,400)
2 model years affected: 1991, 2004
4 people reported this problem
0 people shared problem details
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