Some Lincoln MKS owners report experiencing issues with their air conditioner blowing warm air accompanied by a popping sound after a recharge. These problems may stem from low or overcharged refrigerant, which can disrupt the AC's cooling function. Additionally, electrical faults or complex refrigerant issues could be contributing factors. The popping sound itself may indicate a faulty blend door actuator, a defective evaporator temperature sensor, or potentially a malfunctioning AC pressure sensor or compressor. It is crucial for owners to address these issues promptly and with expertise to ensure the AC system operates efficiently, and seeking a professional mechanic's diagnosis is recommended for accurate identification and resolution of the underlying problems.
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