2016 Mitsubishi Lancer Is Overheating

Common Causes of Overheating in Your 2016 Mitsubishi Lancer and How to Resolve Them

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Reviewed by
Andrew Hajjar
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 2016 Mitsubishi Lancer 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 2016 Mitsubishi Lancer that is overheating?

When your 2016 Mitsubishi Lancer 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 insufficient coolant can lead to overheating. If the coolant is low, refill it and monitor for any leaks. Inspect the cooling system components, including hoses, the radiator, and the water pump, for visible signs of leaks, as these can significantly impact coolant levels. Next, examine the radiator cap for any damage; a compromised cap can disrupt the system's pressure and contribute to overheating. Ensure that the cooling fans are operational, as they play a crucial role in maintaining airflow through the radiator. Additionally, test the thermostat to confirm it opens and closes at the correct temperatures, as a malfunctioning thermostat can prevent proper coolant circulation. Finally, inspect the water pump for leaks or signs of failure, as an ineffective pump can hinder coolant flow. By following these steps, you can effectively diagnose and address the overheating issue in your Mitsubishi Lancer, potentially saving time and repair costs.

What are the common causes of overheating in a 2016 Mitsubishi Lancer?

Understanding the common causes of overheating in a 2016 Mitsubishi Lancer is crucial for any DIY mechanic looking to maintain their vehicle's performance. One of the primary culprits is low coolant levels, which can occur due to evaporation or leaks, preventing the engine from being adequately cooled. Additionally, cooling system leaks, whether from the radiator or hoses, can lead to a significant loss of coolant, exacerbating the overheating issue. A faulty thermostat is another common problem; if it fails to open or close properly, it disrupts the coolant flow, causing the engine temperature to rise. Furthermore, issues with the cooling fan, such as a malfunctioning motor or relay, can hinder airflow through the radiator, which is essential for heat dissipation. Lastly, a clogged radiator filled with debris can impede the cooling process, leading to overheating. Regular maintenance and prompt attention to these areas can help prevent overheating and ensure the longevity of your Mitsubishi Lancer.

What immediate steps should be taken to address the overheating issue in a 2016 Mitsubishi Lancer to prevent potential engine damage and ensure safety?

When your 2016 Mitsubishi Lancer shows signs of overheating, it’s crucial to act swiftly to avoid severe engine damage and ensure your safety. Ignoring the temperature gauge or steam can lead to catastrophic engine failure, which is not only costly but can also pose serious safety risks while driving. The first step is to pull over safely and turn off the engine to prevent further overheating. Once the engine has cooled, checking the coolant level is essential; low coolant can exacerbate the problem. Additionally, inspecting for leaks in the cooling system is vital, as even a small leak can lead to significant overheating issues. Ensuring that the radiator fan is operational is another critical step, as a malfunctioning fan can prevent proper cooling. If you must continue driving, do so with caution, keeping a close eye on the temperature gauge. By addressing these issues promptly, you can mitigate the risk of engine damage and maintain your vehicle's safety on the road.

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2016 Mitsubishi Lancer Overheating Causes & Solutions