Automotive Air Conditioning Information Forum (Archives)

turkeylurkey on Sun February 14, 2016 1:26 PM

Year: 2004
Make: Saturn
Model: ION
Engine Size: 2.2
Refrigerant Type: 134a
Ambient Temp: 75
Pressure Low: 83
Pressure High: 110
Country of Origin: United States

Hi everyone, got another for you - this time for a friend.

Car off:
Low: 100 psi
High: 100 psi

Compressor on / A/C running:
Low: 80 psi
High: 110 psi

From what I've read, this could either be caused by a bad expansion valve or a bad compressor.

Thoughts?

Thanks!

TRB on Sun February 14, 2016 9:09 PM

Good chance it is a control valve issue in the compressor.

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