e220estate
Active Member
AC performing well until 2 days ago. Now, first start of the day - ice cold air and both the dash red dial/switch LED's on. Drive for 10 mins and air coming out of all ducts becomes ambient - every 10-ish mins I get a blast of cold air and then back to sweat city! Red LED's stay on all the time- no flashing (as in 'too little AC pressure'). Leave for 15-ish mins after stopping and the same thing happens when I start up.
Prior to this problem, have recently topped-up the AC refrigerant (didn't have this problem prior to the top-up) so is it possible I have put too much extra refrigerant in the system and am creating too much pressure? Is there an excessive pressure sensor in the system? Does anybody know what the AC internal pressure should be? Any other thoughts? TIA
Prior to this problem, have recently topped-up the AC refrigerant (didn't have this problem prior to the top-up) so is it possible I have put too much extra refrigerant in the system and am creating too much pressure? Is there an excessive pressure sensor in the system? Does anybody know what the AC internal pressure should be? Any other thoughts? TIA