Everything on the A/C seems to work just fine except it doesn't cool.
When running:
High side is around 200psi
Low side shows a vacuum????
When I shut the engine off and let it sit on most systems the high side and low side pressures quickly stabilize and match, but this system when shut off the high side will show 150psi and the low side 40psi for 30mins after shut off!! I am thinking the expansion valve is stuck closed, ideas?
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