Genuine Ford Focus 2012-2019 A/C Evaporator Temperature Sensor CV6Z19C734B

Genuine Ford Focus 2012-2019 A/C Evaporator Temperature Sensor CV6Z19C734B is an important component of the air conditioning (A/C) system, responsible for monitoring the temperature of the evaporator and sending signals to the A/C control unit. Based on the sensor signal, the system controls the A/C compressor to engage or disengage as needed, helping prevent evaporator icing and maintain stable cooling performance.

On the 2012-2019 Ford Focus, the sensor is installed directly on the evaporator assembly inside the A/C housing. During operation, the sensor continuously monitors evaporator temperature. When the temperature drops below the allowable threshold, it sends a signal to temporarily shut off the A/C compressor. When the temperature rises again, the compressor resumes operation, helping the system cool efficiently without frost buildup on the evaporator.

Ford genuine sensors are manufactured to original equipment standards with a highly sensitive sensing element, fast response, and accurate temperature measurement. The sensor housing is made from heat-resistant, moisture-resistant, and vibration-resistant materials, ensuring stable operation under continuously changing temperatures and the high-humidity environment inside the A/C system.

After a period of use, the sensor may fail due to aging, signal deviation, or an open circuit, causing unstable A/C performance, evaporator icing, frequent compressor cycling, or insufficient cooling. If not replaced in time, the A/C compressor may be forced to work under excessive load, reducing the service life of the entire air conditioning system.

The genuine CV6Z19C734B part is manufactured to Ford standards, ensuring high accuracy, superior durability, and a fully compatible fit for the 2012-2019 Ford Focus.

Product Information

Product name: A/C Evaporator Temperature Sensor
Part number: CV6Z19C734B/ AV6N19C734AA
Brand: Genuine Ford
Vehicle model: Ford Focus
Model years: 2012-2019
Installation location: Evaporator assembly inside the A/C housing
System: Air conditioning (A/C)
Condition: New

Functions and Role

• Monitors evaporator temperature.
• Controls compressor on/off timing.
• Prevents evaporator icing.
• Maintains stable cooling performance.
• Protects the compressor and the entire A/C system.

Key Advantages

• High-quality genuine Ford part.
• High sensor sensitivity and accuracy.
• Fast signal response and stable operation.
• Excellent heat, moisture, and vibration resistance.
• Precise fit, fully compatible with the original vehicle.

Signs It Needs Inspection or Replacement

• Weak cooling or unstable A/C performance.
• Evaporator icing.
• Frequent A/C compressor cycling.
• Insufficient cooling even though the system still has refrigerant.
• Diagnostic scanner shows an evaporator temperature sensor fault.

👉 The evaporator temperature sensor is an important component that helps the A/C system operate efficiently and reliably. Using the genuine Ford CV6Z19C734B sensor helps control evaporator temperature accurately, prevent evaporator icing, protect the compressor, and maintain cooling performance to the manufacturer’s standards.

Replacement Recommendations

• Replace with the correct CV6Z19C734B part for the model year.
• Check the evaporator, compressor, blower fan, and refrigerant level at the same time.
• Clean the evaporator when replacing the sensor to improve cooling efficiency.
• Use a diagnostic tool to check and clear fault codes after installation.
• Prioritize genuine Ford parts to ensure durability, accuracy, and perfect compatibility with the A/C system.