Why is my EVAP air con not working?

Why is my EVAP air con not working?

Why Is My EVAP Air Con Not Working? Troubleshooting Guide


When it comes to the comfort of your vehicle, a properly functioning air conditioning system is crucial, especially during hot summer months. If you’re experiencing issues with your EVAP (Evaporative Emission Control System) air conditioning, it can be frustrating and uncomfortable. In this article, we will explore the common reasons why your EVAP air con may not be working and provide a comprehensive troubleshooting guide to help you identify and potentially resolve the problem.

Understanding the EVAP Air Con System

Before we delve into troubleshooting, it’s essential to understand the basics of the EVAP air conditioning system. The EVAP system utilizes refrigerant and a series of components, including the compressor, condenser, evaporator, and expansion valve, to cool and dehumidify the air inside your vehicle. The system works by circulating the refrigerant, which absorbs heat and moisture from the air, providing you with a comfortable cabin temperature.

Why is my EVAP air con not working?
Why is my EVAP air con not working?

Common Issues and Troubleshooting Tips

1. Insufficient Cooling

If you notice that your EVAP air con is not cooling the cabin adequately, several factors could be at play:

2. Weak Airflow

If you’re experiencing weak airflow from your EVAP air con vents, consider the following:

3. Unpleasant Odors

If your EVAP air con emits unpleasant odors, consider these potential causes:

4. Strange Noises

If you hear unusual noises coming from your EVAP air con system, it’s important to address them promptly:

Belt issues: A worn-out or loose belt can cause squealing or grinding noises. Have a technician inspect the belts and replace them if necessary.

Faulty compressor or blower motor: Mechanical issues with the compressor or blower motor can result in strange noises. Professional diagnosis and repair are recommended in such cases.

5. System Not Turning On

If your EVAP air con system fails to turn on altogether, consider the following possibilities:


A malfunctioning EVAP air con system can be a frustrating experience, particularly during hot weather. By understanding the common issues and following the troubleshooting tips provided in this guide, you can diagnose and potentially resolve the problem. However, it’s important to note that some repairs may require professional assistance. Regular maintenance and servicing of your EVAP air con system can help prevent issues and ensure optimal performance. Remember, if you’re uncertain about the problem or unable to resolve it on your own, it’s always best to consult a qualified technician for a comprehensive diagnosis and repair. Stay cool and comfortable on the road by ensuring your EVAP air con is in top working condition! https://jbqualityairconditioning.com.au/evaporative-air-conditioner-repairs-craigmore/

EVAP air con not working

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