HOW TO TEST AC PRESSURE SWITCH ON KIA OPTIMA, AC NOT WORKING, AC BLOWS WARM

[@ElectricalCarRepairLIVE]

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[@GPStuntMan]

Not everyone has a High end OBD Scan tool. Can you manually test AC Pressure Switch with a Voltmeter/Ohmmeter or continuity tester?

[@bronxtaskforce01]

On my 2014 kia Optima when I drive it get cold. While parked not that cold. I did recharge properly. What can cause it...

[@headsuptv6885]

Me too, did you ever find the problem?

[@bronxtaskforce01]

@@headsuptv6885 No, But I am going to do my best to find out. It's not the compressor. Maybe the filter since kia the replace the engine and refilled the freon.

[@oneseckcmofo]

@@bronxtaskforce01 hey man, did you ever figure out the issue?

[@jamielperry]

same issue here on the 2012, weird thing is the low pressure line is reading 70psi when I put the gauge on it. Idle warm air, driving cold air

[@macknumber9]

Anyone find out problem? Same car here hot air comes out at idle and low pressur side reading 90 or so psi....rev engine to 2500 rpms and i get cold air and around 70 psi

[@chiraqibones773]

In my 2015 kia optima , the AC blows warm air. When I go 85+MPH it gets real cold... do you think I need a new ac compressor or the valve ?

[@NealHartsChannel]

Compressor clutch? It has a compressor valve.

[@mikeberg8027]

i thought the kia optima have clutchless a/c compressors