2001 Mercury Grand Marquis Q&A

2001 Mercury Grand Marquis Question: marquis idles funny

Car idles funny only when the AC or Defrost is on -
Answer 1
Clean the idle air control and throttle plate. -
Comment 1
Thank You -
Comment 2
Hope that's all you need, but simple. -
Comment 3
What do you suggest the best way to clean parts -
Comment 4
Some intake or good carb cleaner. -