Close
QUESTIONS

RepairPal is your advocate for car care advice and guidance

Q: idle speed control on 2002 Mercury Grand Marquis

Edit
2002 mercury grand marquis idle speed control making a moaning sound.
Get a Repair Estimate
Guaranteed by certified locations nationwide. Learn more
RepairPal estimates are guaranteed at over 1,700 quality certified locations nationwide. Learn more
Idle air control valves on Fords sometimes fail in a way that make them hum or moan. While the car is making the noise you are talking about, place your hand on the air filter housing. If you feel a vibration relative to the noise, then the idle air control valve has failed.
Didn't find what you were looking for?