Mazda 626 Tire Pressure Warning Light Stays On

Common Causes for the Tire Pressure Warning Light in Your Mazda 626 and How to Resolve Them

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Reviewed by
Devin Cabugcal
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 Mazda 626 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 Mazda 626 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.

Troubleshooting Tire Pressure Warning Light in a Mazda 626

When dealing with the tire pressure warning light in your Mazda 626, it's essential to adopt a systematic diagnostic approach. Start by checking the tire pressure of all tires, including the spare, using the recommended values found on the sticker located on the driver's side door pillar. This initial step is crucial, as driving on under-inflated tires can lead to serious safety issues. If the tire pressures are correct and the warning light remains illuminated, consider using a TPMS diagnostic scanner. This tool can help you identify any underlying issues with the tire pressure monitoring system, such as faulty sensors. Once you've ensured that all tires are properly inflated, you can proceed to reset the TPMS light. To do this, press and hold the TPMS button until the indicator light in the instrument cluster flashes twice, then release the button. Finally, drive your vehicle at speeds above 16 mph for at least 10 minutes to complete the reset process. By following these steps, you can effectively troubleshoot and resolve the tire pressure warning light issue, ensuring your Mazda 626 is safe and road-ready.

Troubleshooting Tire Pressure Warning Light in a Mazda 626

When dealing with the tire pressure warning light in a Mazda 626, it's essential to understand the common problems that may trigger this alert. One frequent issue is incorrect tire pressure, which can stem from seasonal temperature changes or natural air loss over time. Additionally, a malfunctioning TPMS sensor can lead to false warnings; these sensors may fail due to age or damage, necessitating a replacement. Another potential problem is a faulty TPMS control module, which can disrupt communication between the sensors and the vehicle's onboard computer. If the warning light persists even after checking and adjusting tire pressures, using a TPMS diagnostic scanner can help identify specific error codes related to sensor failures or system malfunctions. By being aware of these common issues, you can take proactive steps to troubleshoot and resolve the tire pressure warning light effectively, ensuring your Mazda 626 remains safe and roadworthy.

Why is the Tire Pressure Warning Light Staying On in a Mazda 626?

When the Tire Pressure Warning Light remains illuminated in your Mazda 626, it is crucial to address the issue promptly to avoid potential safety hazards and vehicle damage. Ignoring this warning can lead to under-inflated tires, which not only compromise your vehicle's handling and braking performance but also increase the risk of tire blowouts. Additionally, a malfunctioning Tire Pressure Monitoring System (TPMS) can prevent you from receiving accurate tire pressure readings, further exacerbating the problem. To resolve the issue, start by checking the air pressure in all tires using a reliable gauge and inflate them to the manufacturer's recommended levels. If the light persists, consider resetting the TPMS by disconnecting the negative battery terminal for a minute or using the reset button located on the dashboard. Taking these steps not only ensures your safety on the road but also helps maintain the longevity of your tires and vehicle.

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Mazda 626 Tire Pressure Warning Light: Causes & Repairs