The 2021 Toyota 4Runner is a versatile SUV known for its off-road capabilities and rugged design. Proper tire pressure is crucial not only for the vehicle’s performance but also for safety and fuel efficiency. Maintaining the correct tire pressure ensures optimal handling, extends tire life, and aids in achieving better gas mileage.
Understanding the specific tire pressure requirements for each trim and engine variant of the 2021 Toyota 4Runner is essential for owners. This information can help drivers avoid potential issues related to under-inflation or over-inflation, which can lead to uneven tire wear and compromised safety.
2021 Toyota 4Runner Tire Pressure
Tire Pressure Table for Different Trim/Engine
| Trim/Engine | Front Tire Pressure (PSI) | Front Tire Pressure (BAR) | Rear Tire Pressure (PSI) | Rear Tire Pressure (BAR) |
|---|---|---|---|---|
| 4Runner SR5 | 32 | 2.2 | 32 | 2.2 |
| 4Runner TRD Off-Road | 32 | 2.2 | 32 | 2.2 |
| 4Runner TRD Pro | 32 | 2.2 | 32 | 2.2 |
| 4Runner Limited | 30 | 2.1 | 30 | 2.1 |
2021 Toyota 4Runner Tire Pressure Sensor Reset
If the tire pressure monitoring system (TPMS) light on your 2021 Toyota 4Runner is flashing, it indicates a potential issue with the tire pressure sensors. This can occur after changing a tire, adjusting tire pressure, or if there is a malfunction in the system. Resetting the tire pressure sensor is a straightforward process that can help restore normal functionality.
Steps to Reset the Tire Pressure Sensor
- Ensure all tires are inflated to the recommended pressure.
- Turn the ignition to the “ON” position without starting the engine.
- Locate the TPMS reset button, usually found beneath the steering wheel.
- Press and hold the TPMS reset button until the TPMS light blinks three times.
- Release the button and turn the ignition off.
- Start the engine and allow a few moments for the system to recalibrate.
Common Causes of TPMS Light Flashing
| Cause | Description |
|---|---|
| Low Tire Pressure | One or more tires are under-inflated, triggering the TPMS light. |
| Faulty Sensor | A malfunctioning tire pressure sensor can cause the light to flash. |
| Tire Rotation | Flashing may occur after rotating tires without resetting the system. |
| Temperature Changes | Significant temperature drops can affect tire pressure and trigger the light. |
When to Seek Professional Help
If the TPMS light continues to flash after following the reset procedure, it may be time to consult a professional. Consider reaching out to a certified Toyota technician if you notice any of the following:
- The TPMS light remains illuminated after resetting.
- You observe a significant drop in tire pressure.
- There are unusual tire wear patterns.
- The vehicle experiences handling issues.
Taking these steps ensures your 2021 Toyota 4Runner remains safe and efficient on the road.
Importance of Maintaining Proper Tire Pressure
Maintaining the correct tire pressure is crucial for the overall performance and safety of your vehicle. Properly inflated tires enhance fuel efficiency, improve handling, and extend the lifespan of the tires. Conversely, both under-inflation and over-inflation can lead to a host of problems, including reduced traction, increased tire wear, and a higher risk of blowouts.
Benefits of Proper Tire Pressure
- Improved Fuel Efficiency: Correct tire pressure reduces rolling resistance, which can lead to better gas mileage.
- Enhanced Safety: Properly inflated tires provide better grip and handling, reducing the likelihood of accidents.
- Extended Tire Life: Maintaining the right pressure prevents uneven wear, prolonging the lifespan of your tires.
- Optimal Performance: Proper tire pressure ensures that your vehicle handles as intended, improving overall driving comfort.
How to Check Tire Pressure
Checking your tire pressure is a simple task that can be done at home or at a service station. Here’s how to do it:
- Gather Equipment: You will need a reliable tire pressure gauge. Digital gauges are often easier to read.
- Check When Cold: Measure tire pressure when the tires are cold, ideally before driving or after the vehicle has been parked for several hours.
- Remove Valve Cap: Unscrew the valve cap from the tire you wish to check.
- Attach Gauge: Press the tire pressure gauge onto the valve stem firmly. Make sure there is no hissing sound, which indicates air escaping.
- Read Pressure: Read the measurement on the gauge. Compare it to the recommended tire pressure listed on the driver’s side door jamb.
- Adjust as Needed: If the pressure is too low, inflate the tire to the recommended level. If it’s too high, release some air.
- Replace Valve Cap: Once done, replace the valve cap securely.
Useful Tips for Maintaining Tire Pressure
To keep your tires in optimal condition, consider the following tips:
- Check Regularly: Inspect tire pressure at least once a month, as well as before long trips.
- Monitor Temperature Changes: Tire pressure can fluctuate with temperature changes, so adjust accordingly during seasonal transitions.
- Inspect for Damage: Regularly check tires for punctures, cracks, or other damages that may affect pressure.
- Use Nitrogen: Consider filling tires with nitrogen instead of air, as it maintains pressure better over time.
By prioritizing proper tire pressure, you ensure a safer, more efficient driving experience in your 2021 Toyota 4Runner.
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