How do you diagnose a bad Txv?
How do you diagnose a bad Txv? Check the subcooling, superheat and pressures again. If there's no change, that's a further indication of a TXV problem. Another test is to put the sensing bulb in ice water and checking the pressures superheat, and subcooling again. If they don't change, it's a bad TXV. How long does it take cold air to turn hot in a Ford Fusion? When it's cool outside, the ac runs forever. But in hot weather, it might blow cold air from 5 seconds to 5 minutes. In super hot weather it's not even worth trying. Maybe...