2001 INFINITI G20 Tire Pressure Warning Light Stays On

Common Causes for the Tire Pressure Warning Light in Your 2001 INFINITI G20 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 2001 INFINITI G20 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 2001 INFINITI G20 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 in my 2001 INFINITI G20?

To effectively diagnose the tire pressure warning light issue in your 2001 INFINITI G20, begin with a straightforward approach that prioritizes simpler solutions before delving into more complex diagnostics. Start by checking the tire pressure in all four tires using a reliable tire pressure gauge, ensuring they are inflated to the levels recommended in your vehicle's manual. This initial step can often resolve the warning light if the pressure is simply low. Next, conduct a thorough inspection of each tire for visible damage, such as punctures or bulges, and look for any foreign objects that may be causing a leak. If the tires appear to be in good condition, consider resetting the tire pressure monitoring system, as temporary issues can sometimes trigger the warning light. If the light persists, it may indicate a malfunctioning sensor within the tire pressure monitoring system, which will require further investigation. Should these steps not yield results, it is advisable to consult a professional mechanic for a comprehensive diagnosis, ensuring your vehicle remains safe and reliable on the road.

What could cause the tire pressure warning light to remain on in a 2001 INFINITI G20?

When the tire pressure warning light remains on in a 2001 INFINITI G20, it is crucial to understand the potential issues that could be causing this alert. The most common reason is low tire pressure, which can be easily resolved by checking and inflating the tires to the recommended levels. If the tire pressure is adequate, the problem may stem from a faulty tire pressure sensor that might need replacement. Additionally, sensor calibration issues can occur, requiring a recalibration to ensure the sensors are providing accurate readings. It's also important to consider electrical problems, such as wiring issues or blown fuses, which can trigger the warning light; thus, a thorough inspection of the vehicle's electrical components is advisable. Lastly, a malfunction within the tire pressure monitoring system itself could be the culprit, potentially necessitating professional diagnosis and repair. By systematically addressing these common problems, you can effectively troubleshoot and resolve the persistent tire pressure warning light in your INFINITI G20.

What should I do if the tire pressure warning light on my 2001 INFINITI G20 stays on?

If the tire pressure warning light on your 2001 INFINITI G20 stays illuminated, it is essential to take immediate action to avoid potential safety hazards. Neglecting this warning can lead to serious issues, including tire blowouts or compromised vehicle handling, which significantly increases the risk of accidents. Begin by checking the tire pressure in all four tires, including the spare, ensuring they are inflated to the recommended levels specified in your owner's manual. If you discover any underinflated tires, use a tire gauge and air compressor to inflate them to the correct pressure, and double-check to confirm accuracy. Additionally, inspect each tire for visible damage, such as punctures or bulges, as these can severely affect tire performance and safety. If the warning light remains on after adjusting the tire pressure, refer to your owner's manual for instructions on resetting the tire pressure monitoring system, as some vehicles require this step to clear the warning. Should the light continue to illuminate, it is prudent to seek professional help, as there may be an underlying issue with the monitoring system that necessitates expert diagnosis. By addressing the tire pressure warning light promptly, you not only enhance your vehicle's performance but also ensure the safety of yourself and others on the road.

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