Originally posted by andy:
Well I only had half a can (or less) so now I'm out. I don't think enough got in there to make a difference. Either that or the leak is so bad the charge is not staying. That's why I was hoping someone could tell me whether I should be buying 2+ cans and dump it in or it's already overcharged and my problem is elsewhere...
read my post again, you can not just dump R-134a into the system if the system is over charged it needs to be emptied and it is illegal to vent to the atmoshpere, if the pressure was so low that the system didn't turn on you have a leak, the system needs to be taken to a vacuum either way and then filled correctly
Originally posted by SVTatGT:
did the low reading continue to go up as you filled it. i.e. if it started at 60/15 did it end up being 60/20 after a while.
When i filled mine a couple year ago when the compressor was cycling it was reading high and low, but when I put enough in for the compressor to actually stay on, it was the lower reading that was staying.
in 60 to 70 degree weather the compressor should cycle, when it gets above 90 the compressor should pretty much just stay on .... so you can't just fill until the compressor stays on, depending on the temp you just overfilled the system 
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