2017 Mitsubishi Mirage Is Overheating

Common Causes of Overheating in Your 2017 Mitsubishi Mirage and How to Resolve Them

Find Repair Location
Reviewed by
Bo Fader
Written by RepairPal Car Genius
Updated January 14, 2025
0%
24% chance it's the
Thermostat
0%
41% chance it's the
Coolant leak (water pump, radiator, hose etc.)
0%
32% chance it's the
Radiator Fan
0%
3% chance it's
Something else
The most common reasons a 2017 Mitsubishi Mirage is overheating are a coolant leak (water pump, radiator, hose etc.), the radiator fan, or a failed thermostat.
  • Thermostat: A faulty thermostat can cause the engine to overheat or run too cool by failing to regulate the flow of coolant properly.
  • Coolant leak (water pump, radiator, hose etc.): A coolant leak can occur due to a damaged hose, a failing water pump, or a compromised radiator, leading to loss of coolant and potential engine overheating.
  • Radiator Fan: A faulty radiator fan can lead to engine overheating due to insufficient airflow over the radiator.
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 for a 2017 Mitsubishi Mirage that is overheating?

When your 2017 Mitsubishi Mirage is experiencing overheating, it's essential to adopt a systematic diagnostic approach to identify the root cause. Start by checking the coolant level in both the radiator and the reservoir, as low levels can lead to overheating. If the coolant is adequate, inspect the cooling system for any visible leaks, particularly around hoses, the radiator, and the water pump, since leaks can significantly reduce coolant levels. Next, examine the radiator cap for any signs of wear or damage, as a faulty cap can disrupt the system's pressure and contribute to overheating. Ensure that the radiator fan is operational, as a malfunctioning fan can hinder the cooling process. Additionally, check the thermostat to confirm it opens and closes properly; a stuck thermostat can prevent coolant circulation. It's also crucial to verify that the water pump is effectively circulating coolant, as a failing pump can lead to inadequate flow. Finally, inspect the radiator for blockages or damage that could impede heat dissipation. By following these steps, you can effectively diagnose and address the overheating issue in your Mitsubishi Mirage, ensuring a smoother and safer driving experience.

What are the common causes of overheating in a 2017 Mitsubishi Mirage?

When diagnosing overheating issues in a 2017 Mitsubishi Mirage, it's crucial to consider several common problems that could be at play. One of the primary culprits is low coolant levels, which can occur due to evaporation or leaks, preventing the engine from receiving adequate cooling. Inspecting the cooling system for leaks in the radiator or hoses is essential, as even small leaks can lead to significant coolant loss over time. Additionally, a faulty thermostat can disrupt the flow of coolant, causing the engine to overheat, so checking its functionality is a wise step. The cooling fan also plays a vital role; if the fan motor or relay is malfunctioning, it may not provide sufficient airflow through the radiator, exacerbating the overheating issue. Furthermore, a clogged radiator can hinder the cooling process, so ensuring it is clean and free of debris is important. Lastly, a failing water pump can impede coolant circulation, leading to overheating. By regularly maintaining these components and addressing any issues promptly, you can help prevent overheating and ensure your Mitsubishi Mirage runs smoothly.

How urgent is it to address the overheating issue in a 2017 Mitsubishi Mirage?

Addressing the overheating issue in a 2017 Mitsubishi Mirage is of utmost urgency, as neglecting this problem can lead to severe engine damage and costly repairs. Overheating can cause critical components like the radiator and water pump to fail, resulting in leaks and further complications that exacerbate the situation. Additionally, prolonged overheating may warp cylinder heads or blow head gaskets, leading to extensive repairs that can significantly impact your budget. Beyond immediate repairs, continuous overheating can compromise the vehicle's reliability and longevity, ultimately affecting its resale value. Therefore, it is essential for DIY enthusiasts to act swiftly when they notice signs of overheating, ensuring that they maintain their vehicle's performance and prevent more serious issues down the line.

You’ve got options with RepairPal

Whether you need a more accurate auto repair estimate or help finding a reputable shop in your area, we’ve got you covered.