2014 Mitsubishi Mirage AC Isn't Working

Common Causes of AC Failure in Your 2014 Mitsubishi Mirage and How to Fix Them

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Reviewed by
Devin Cabugcal
Written by RepairPal Car Genius
Updated January 14, 2025
0%
37% chance it's the
Refrigerant Leak
0%
21% chance it's the
Climate Control Electrical Issue
0%
12% chance it's the
AC Compressor
0%
30% chance it's
Something else
The most common reasons a 2014 Mitsubishi Mirage AC isn't working are a refrigerant leak, an electrical climate control issue, or a problem with the air conditioning compressor.
  • Refrigerant Leak: A refrigerant leak can occur due to damaged hoses, seals, or connections, resulting in decreased cooling efficiency in the air conditioning system.
  • Climate Control Electrical Issue: A faulty climate control module or a blown fuse could be causing the electrical issues in the climate control system.
  • AC Compressor: A faulty AC compressor may be due to a lack of lubrication, electrical issues, or internal mechanical failure, resulting in inadequate cooling performance.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

What are the initial diagnostic steps to take when the AC isn't working in a 2014 Mitsubishi Mirage?

When your 2014 Mitsubishi Mirage's AC isn't functioning properly, start by checking the thermostat settings to confirm that they are correctly adjusted to your desired temperature. If the settings are fine, the next step is to inspect the air filters; dirty or clogged filters can significantly hinder airflow and cooling efficiency. If the filters are clean, examine the refrigerant levels, as low refrigerant can lead to warm air blowing from the vents. You can use a pressure gauge for this, or if you're unsure, consider consulting a professional. Additionally, look for any visible signs of leaks in the AC system, such as oily residue, which can indicate refrigerant loss. Next, assess the AC compressor, ensuring it operates smoothly without unusual noises. Finally, inspect the electrical components, including fuses and wiring, as faulty connections can disrupt the AC's functionality. By following these steps, you can effectively diagnose common issues with your AC system before deciding whether to seek professional help.

What are the common problems that could cause the AC to stop working in a 2014 Mitsubishi Mirage?

When the air conditioning system in a 2014 Mitsubishi Mirage ceases to function, several common problems may be at play, many of which can be addressed by a DIY enthusiast. One of the first areas to check is the refrigerant levels; low refrigerant can significantly hinder the system's cooling capabilities. If the refrigerant is low, it may indicate a leak that needs to be repaired before recharging the system. Another critical component to inspect is the compressor, as a faulty compressor can prevent the AC from circulating refrigerant effectively. Additionally, electrical issues such as blown fuses or damaged wiring can disrupt the AC's operation, so it's essential to examine these components for any signs of wear or damage. The condenser should also be checked for clogs or leaks, as these can severely impact the system's ability to cool the air. Lastly, ensure that the blower motor is functioning correctly, as a malfunction here can lead to inadequate airflow from the vents. By systematically diagnosing these common issues, DIYers can often restore the AC functionality in their Mitsubishi Mirage without the need for professional intervention.

How urgent is it to repair the non-functioning AC in a 2014 Mitsubishi Mirage?

When faced with a non-functioning AC in your 2014 Mitsubishi Mirage, the urgency of repair cannot be overstated. The discomfort caused by a malfunctioning air conditioning system can significantly detract from your driving experience, especially during sweltering summer months. Beyond mere comfort, the health implications are critical; prolonged exposure to high temperatures can lead to serious conditions such as heat exhaustion or dehydration, particularly for vulnerable individuals like children and the elderly. Additionally, neglecting the AC repair can adversely affect your vehicle's resale value, as potential buyers often view a well-maintained AC system as a sign of overall vehicle care. Furthermore, a faulty AC unit can place undue strain on other mechanical components, potentially leading to more extensive and costly repairs down the line. Therefore, addressing the AC issue promptly not only enhances your immediate comfort and health but also safeguards the longevity and value of your vehicle.

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Why Your 2014 Mitsubishi Mirage AC Isn't Working | RepairPal