95 Max air fades as engine runs faster | Ford Explorer - Ford Ranger Forums - Serious Explorations

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95 Max air fades as engine runs faster


New Member
August 29, 2010
Reaction score
City, State
Dallas, TX
Year, Model & Trim Level
95 2.3-4cyl
95, 4-cyl, 2.3L engine with factory air. Had this truck for about 8 years.The AC used to get so cold you could hang meat in the cab. This year the AC has lost a lot of it's cooling power. Freon has been checked and added a bit to place it just on the higher half of the normal zone. The big issue is with Max AC. When running at highway speed or speeding up from a stop the vacuum seems to fade and the air goes from the vents to the defrost. It will return to max if you let off of the gas. Any good advice is welcome and thanks in advance.