2008 Mitsubishi Outlander Tire Pressure Warning Light Stays On

Tire Pressure Warning Light in 2008 Mitsubishi Outlander: Causes and Solutions

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Reviewed by
Aisha
Written by RepairPal Car Genius
Updated January 14, 2025
0%
40% chance it's the
Tire Leaking Air
0%
30% chance it's the
Wheel Leaking Air
0%
15% chance it's the
Tire Pressure Monitoring System
0%
15% chance it's
Something else
The most common reasons a 2008 Mitsubishi Outlander tire pressure warning light stays on are a leaking tire, a wheel that no longer holds air, or a faulty tire pressure monitoring system.
  • Tire Leaking Air: A puncture, valve stem issue, or rim damage can cause a tire to leak air, leading to loss of pressure.
  • Wheel Leaking Air: A puncture or damage to the tire or rim can cause air to leak, resulting in a loss of tire pressure.
  • Tire Pressure Monitoring System: A malfunctioning tire pressure monitoring system can be caused by faulty sensors or a dead battery in the sensor units.
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.

How much does it cost to fix a 2008 Mitsubishi Outlander tire pressure warning light stays on?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

When a tire pressure monitoring sensor fails, the tire pressure monitoring system control module will recognize a loss in communication and turn on the warning lamp which indicates the failure. This is most often the case. However, the tire pressure monitoring sensor may also fail by reporting incorrect tire pressures. This could cause a flat tire to go unrecognized, or a properly inflated tire to signal a low or high tire pressure warning.

When a relearn is needed, for any reason, the TPMS warning light will illuminate, and many vehicles will display a message relating to the TPMS system being inoperative or loosing communication. It is important to keep a watchful eye on tire pressures when this system is having issues because there is no warning available for underinflation or overinflation of the tires.

Wheels offer very few symptoms, but these symptoms should never be ignored. Visible cracks on the wheels may appear, especially after hitting a large bump, Most often, this will also be accompanied by loss of air from the tire on that wheel. Also, vibration in the steering wheel is very common when the tire is out of balance, and improper wheel nuts or bolts can cause creaking and popping noises to develop. Again, there are very few symptoms, but they should not be ignored.

The only symptoms requiring diagnosis for the tire pressure monitoring system warning lamp is if the warning lamp has illuminated while the tires have correct air pressure, or if the air pressure for the tires is out of specification and the warning lamp is off. This is because the overwhelming majority of cases where the TPMS lamp illuminates is due to the change in ambient temperature.

What steps should I take to diagnose the tire pressure warning light issue on my 2008 Mitsubishi Outlander?

To effectively diagnose the tire pressure warning light issue on your 2008 Mitsubishi Outlander, begin with the simplest and most straightforward approach. Start by checking the tire pressure in all four tires using a reliable tire pressure gauge, ensuring that the readings align with the recommended PSI found in your owner's manual or on the sticker located inside the driver's side door jamb. Next, conduct a thorough visual inspection of each tire for any signs of damage, such as punctures, cuts, or bulges, which could indicate a loss of pressure. Additionally, look for potential leaks by examining the tires and valve stems closely; a mixture of soap and water can help reveal leaks, as bubbles will form where air escapes. Don’t overlook the spare tire, as it can also trigger the warning light if its pressure is low. If all tires are in good condition and properly inflated, the final step is to reset the tire pressure monitoring system (TPMS), which you can do by following the instructions in your owner's manual. By systematically addressing these areas, you can effectively diagnose and resolve the tire pressure warning light issue.

What could be causing the tire pressure warning light to stay on in a 2008 Mitsubishi Outlander?

When the tire pressure warning light remains on in a 2008 Mitsubishi Outlander, it can be attributed to several common problems that DIYers can investigate. The most frequent culprit is low tire pressure, which can easily be checked using a tire pressure gauge. Ensuring that all tires are inflated to the manufacturer's recommended levels is crucial for both safety and performance. If the tire pressure is adequate, the issue may lie with a faulty tire pressure sensor, which could require replacement if it fails to provide accurate readings. Additionally, sensor calibration might be necessary if the system is not correctly interpreting the tire pressure data. Electrical problems within the tire pressure monitoring system can also trigger the warning light; inspecting the electrical connections for any signs of damage or corrosion can help identify these issues. Lastly, a malfunctioning control module may be at fault, necessitating repair or replacement. By systematically addressing these potential problems, DIY enthusiasts can effectively troubleshoot the tire pressure warning light issue and ensure their vehicle operates safely.

How urgent is it to address the tire pressure warning light that stays on in a 2008 Mitsubishi Outlander?

Addressing the tire pressure warning light in a 2008 Mitsubishi Outlander is not just a matter of convenience; it is a critical safety issue that demands immediate attention. When this warning light remains illuminated, it signals that the tire pressure may be below the recommended levels, which can severely compromise the vehicle's handling and braking capabilities. This situation poses a heightened risk of accidents, particularly in challenging driving conditions. Furthermore, driving on underinflated tires can lead to uneven wear, significantly shortening their lifespan and increasing the likelihood of a blowout, which can be dangerous at high speeds. Additionally, neglecting to correct tire pressure can adversely affect fuel efficiency, leading to higher fuel costs over time. Proper tire pressure is essential for maintaining optimal vehicle performance, ensuring better traction and stability on the road. Therefore, it is crucial to check and adjust the tire pressure as soon as the warning light activates, and if the light persists despite adjustments, seeking professional assistance is advisable to prevent further complications.

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2008 Mitsubishi Outlander Tire Pressure Warning Light Causes