1997 Mercury Cougar Tire Pressure Warning Light Stays On

Resolve Tire Pressure Warning Light in 1997 Mercury Cougar

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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 1997 Mercury Cougar 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 1997 Mercury Cougar 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.

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 1997 Mercury Cougar?

To effectively diagnose the tire pressure warning light issue on your 1997 Mercury Cougar, begin with the simplest and most straightforward step: checking the tire pressure in all four tires. Use a reliable tire pressure gauge to ensure that each tire is inflated to the recommended PSI, which can be found in your owner's manual or on the sticker located inside the driver's side door jamb. If the pressure is low, inflate the tires accordingly. Next, visually inspect each tire for any signs of damage, such as punctures, cuts, or bulges, as these can lead to air loss and trigger the warning light. Don’t forget to examine the valve stems for leaks or damage, as faulty stems can also cause pressure issues. If everything appears normal, consider using a diagnostic tool to scan for fault codes related to the tire pressure monitoring system (TPMS), which can help identify any underlying electronic issues. In some cases, simply resetting the TPMS may resolve the warning light; refer to your owner's manual for specific reset instructions. If these steps do not resolve the issue, it may be time to consult a professional mechanic for further diagnosis and repair. By following this methodical approach, you can efficiently troubleshoot the tire pressure warning light on your Cougar and ensure your vehicle remains safe and roadworthy.

What could cause the tire pressure warning light to remain on in a 1997 Mercury Cougar?

When the tire pressure warning light remains illuminated in a 1997 Mercury Cougar, it can signal several common issues that DIYers should be aware of. One primary reason could be the need to reset the Tire Pressure Monitoring System (TPMS), particularly if the tire pressures are confirmed to be within the recommended range. This reset process often involves a specific sequence of actions, which can vary by model, so consulting the vehicle's manual is advisable. Additionally, a malfunctioning TPMS sensor may be at fault; these sensors can wear out over time or become damaged, leading to false warnings. It's essential to inspect each tire's sensor for any visible signs of wear or damage. Ignoring the warning light is not an option, as it may indicate underlying tire pressure issues that could compromise safety, potentially resulting in tire failure or overheating. By understanding these common problems, DIY enthusiasts can take proactive steps to diagnose and resolve the issue, ensuring their vehicle remains safe and roadworthy.

How urgent is it to address the tire pressure warning light that stays on in a 1997 Mercury Cougar?

Addressing the tire pressure warning light that remains illuminated in a 1997 Mercury Cougar is of utmost urgency due to the significant safety risks and potential vehicle damage it poses. Low tire pressure can severely compromise the vehicle's handling and braking capabilities, increasing the likelihood of accidents, particularly in critical driving situations. Furthermore, driving on underinflated tires accelerates uneven wear, which not only shortens the lifespan of the tires but also raises the risk of a blowout, leading to dangerous driving conditions. Additionally, neglecting this warning can adversely affect fuel efficiency, resulting in higher fuel costs over time. The strain on the vehicle's suspension system from continued operation with low tire pressure can lead to costly repairs down the line. Therefore, it is crucial to promptly check and adjust tire pressure according to the manufacturer's specifications or consult a professional to ensure both your safety and the longevity of your vehicle. Ignoring this warning light can have serious repercussions, making immediate action essential.

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1997 Mercury Cougar Tire Pressure Warning Light Guide