marquis idles funny on 2001 Mercury Grand Marquis

Car idles funny only when the AC or Defrost is on

by in Nashua, NH on April 12, 2014
1 answer 4 comments
ANSWER by , April 12, 2014
Clean the idle air control and throttle plate.
COMMENT by , April 12, 2014
Thank You
COMMENT by , April 12, 2014
Hope that's all you need, but simple.
COMMENT by , April 14, 2014
What do you suggest the best way to clean parts
COMMENT by , April 14, 2014
Some intake or good carb cleaner.