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Kiatech
Kiatech, Kia Master Technician
Category: Kia
Satisfied Customers: 210
Experience:  30+ years experience,ASE certified,KIA certified Master Technician,Ford factory trained
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At low rpm, no a/c 2011 kia optima. great cooling otherwise.

Customer Question

at low rpm, no a/c 2011 kia optima. great cooling otherwise. at idle, no a/c again.
JA: How many miles are on the car? What size is the engine?
Customer: 140K
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: Yes. Nothing so far
JA: Anything else you think the mechanic should know?
Customer: Original Owner, mostly highway miles, good care. great car.
Submitted: 8 months ago.
Category: Kia
Expert:  Virtual Wrench replied 8 months ago.

Welcome,

I have been a professional master mechanic for over 35 years and am happy to help you with this.

Most likely its just a little low on freon/134a charge.

Have you had anyone connect a set of gauges to the system to see what the pressures on the low AND high sides are?