2003 Mitsubishi Eclipse Tire Pressure Warning Light Stays On

Resolve Tire Pressure Warning Light in 2003 Mitsubishi Eclipse

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Reviewed by
Andrew Hajjar
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 2003 Mitsubishi Eclipse 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 2003 Mitsubishi Eclipse 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.

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 2003 Mitsubishi Eclipse?

To effectively diagnose the tire pressure warning light issue on your 2003 Mitsubishi Eclipse, begin with the simplest solutions before moving on to more complex diagnostics. Start by checking the tire pressure in all four tires using a reliable tire pressure gauge, ensuring that each tire is inflated to the recommended PSI as indicated in your owner's manual or on the sticker located inside the driver's side door jamb. Next, visually inspect each tire for any signs of damage, such as punctures or bulges, and look for any foreign objects that may be lodged in the tread. If you find any discrepancies in tire pressure, adjust it accordingly—release air from overinflated tires or add air to those that are underinflated. After making these adjustments, consult your owner's manual to see if a manual reset of the tire pressure monitoring system (TPMS) is necessary, as some vehicles require this step to clear the warning light. Additionally, don’t overlook the spare tire, as low pressure in this tire can also trigger the TPMS light. If the warning light remains illuminated after these checks, it may indicate a more serious issue with the TPMS sensors or system, at which point seeking professional assistance from a mechanic or dealership is advisable. By following this diagnostic approach, you can systematically address the tire pressure warning light issue and ensure your vehicle's safety on the road.

What could be causing the tire pressure warning light to stay on in a 2003 Mitsubishi Eclipse?

When the tire pressure warning light stays on in a 2003 Mitsubishi Eclipse, it can be frustrating, but understanding the common problems can help you troubleshoot effectively. The most frequent cause is low tire pressure, which can be easily resolved by checking and inflating your tires to the recommended levels. If the pressure is adequate, the issue might stem from a faulty tire pressure sensor that may need replacement. Additionally, sensor calibration issues can lead to incorrect readings, so recalibrating the sensors could be necessary. It's also important to consider potential electrical problems within the tire pressure monitoring system or the vehicle's electrical system, as these can trigger the warning light; inspecting the connections and components can help identify any faults. Lastly, a malfunctioning control module for the tire pressure monitoring system could be the reason for the persistent warning light, requiring repair or replacement. By addressing these common issues, you can effectively resolve the tire pressure warning light problem in your Mitsubishi Eclipse.

How urgent is it to address the tire pressure warning light that stays on in a 2003 Mitsubishi Eclipse?

Addressing the tire pressure warning light in your 2003 Mitsubishi Eclipse is not just a matter of convenience; it is a critical safety issue that demands immediate attention. When this light remains illuminated, it signals that your tires may be underinflated, which can severely compromise your vehicle's handling and braking capabilities. This poses a significant risk, especially in emergency situations where quick response is essential. Moreover, driving on underinflated tires accelerates uneven wear, leading to premature tire replacement, which can be costly. Additionally, low tire pressure negatively impacts fuel efficiency, resulting in higher fuel costs over time. Perhaps most concerning is the risk of tire damage, which can escalate to a dangerous blowout while driving. Therefore, it is crucial to check and adjust your tire pressure according to the manufacturer's specifications as soon as the warning light activates, or consult a professional if you are unsure. Taking these steps not only ensures your safety but also protects your vehicle and your wallet in the long run.

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