There could be air in the system or the system could be overcharged. If the system required 1.86 lbs of R-12
and there was 1.86 lbs of R-134 installed then the system is overfull. The high and low pressures are dependent on the ambient temperature and humidity.
Try removing.25 lb. And repost your results along with ambient conditions
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Saturday, August 25th, 2007 AT 10:12 AM