Ford Mustang Problem Report

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

(2 reports)

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.

i accelerate then let go of accelerater and sound like it has a tough time staying on -
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