Having problems with your 1990 Toyota Supra ?
I NEED TO LOCATE a/c LOW PRESSURE VALVE - 1990 Toyota Supra
If it's a MKIII supra, the low pressure port is right on top of the compressor.
The low pressure valve is located between the condensor and the evaporator. usualy bt the passangers side firewall. just BECAREFUL not to try to use the high pressure valve.
Repair Help & Product Troubleshooting for 1990 Toyota Supra
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