2017 Mitsubishi Mirage G4 AC Isn't Working

Common Causes of AC Failure in Your 2017 Mitsubishi Mirage G4 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 2017 Mitsubishi Mirage G4 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 steps to diagnose the AC issue in a 2017 Mitsubishi Mirage G4?

When diagnosing the AC issue in your 2017 Mitsubishi Mirage G4, start with the simplest checks to avoid unnecessary complications. Begin by inspecting the air filters; clean or replace them if they are clogged, as this can significantly affect airflow and cooling efficiency. Next, verify the refrigerant levels in the system, as low refrigerant can lead to inadequate cooling. If the refrigerant is sufficient, examine the AC compressor for any visible signs of damage or wear, as a malfunctioning compressor can hinder the entire system's performance. Additionally, test the thermostat to ensure it is accurately regulating the temperature; a faulty thermostat can disrupt the cooling process. Finally, check for any leaks in the AC system, as refrigerant loss due to leaks can severely impact cooling capabilities. By following these steps, you can systematically diagnose and address the AC issues in your Mitsubishi Mirage G4, paving the way for effective repairs.

What are the common problems that could cause the AC to stop working in a 2017 Mitsubishi Mirage G4?

When your 2017 Mitsubishi Mirage G4's air conditioning system stops functioning, it's essential to identify the common problems that could be at play. One frequent culprit is a refrigerant leak, which can significantly hinder the system's ability to cool the air. Locating and repairing this leak is crucial for restoring AC performance. Another potential issue is a faulty compressor; if the compressor isn't working correctly, it may require repair or replacement to get the system back on track. Additionally, electrical problems such as blown fuses or faulty relays can disrupt the AC's operation, necessitating a thorough check of the electrical components. Clogged air filters can also impede airflow, so regularly changing the filter is a simple yet effective maintenance step. Lastly, a malfunctioning thermostat can prevent proper cooling, and replacing it may be necessary to ensure the AC operates efficiently. By addressing these common issues promptly, you can enhance the functionality of your vehicle's AC system and enjoy a comfortable driving experience.

How urgent is it to repair the non-functioning AC in a 2017 Mitsubishi Mirage G4?

When faced with a non-functioning AC in your 2017 Mitsubishi Mirage G4, the urgency of repair cannot be overstated. The discomfort of driving in sweltering heat can significantly detract from your overall driving experience, making it essential to restore your AC for a more pleasant ride. Moreover, the health implications of a malfunctioning AC are serious; extreme temperatures can lead to heat-related illnesses, particularly during long trips or in stop-and-go traffic. Beyond immediate comfort and health concerns, neglecting AC repairs can adversely affect your vehicle's resale value. A well-maintained AC system is a selling point for potential buyers, while a broken one can deter them or lead to lower offers. Additionally, ignoring the symptoms of a failing AC can result in more severe damage to the system, leading to costly repairs down the line. Therefore, addressing AC issues promptly not only enhances your driving comfort and safety but also protects your investment in the long run.

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