Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › a different idle fluctuation problem › a different idle fluctuation problem November 24, 2011 at 11:00 am #442679 spelunkerdParticipant With the A/C compressor cycling every 5-10 sec, something’s gotta be wrong with your A/C…. I agree with Dreamer2355, check your A/C system pressures, and compressor.