Problem With Idle Air Bypass Valve May Cause Engine Performance Problems
2004 Ford Explorer Problem With Idle Air Bypass Valve May Cause Engine Performance Problems
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.
Affected Model Years
This issue affects Ford Explorer model years 1991, 2004, .