Thread: A/C R134a pressures too high. I'm lost. Ideas?
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  #57  
Old 07-13-2012, 02:21 PM
platt-deutsch platt-deutsch is offline
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Join Date: Dec 2007
Location: Iowa
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To see if the duovalve is screwing up , just pinch off the hoses to it.. if the evaporator outlet temp drops then the duovalve is not shutting off complely..
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