The 2019 Subaru WRX is a performance-oriented sedan that demands attention not just for its speed but also for its handling. One crucial aspect of maintaining optimal performance is ensuring that the tire pressure is set correctly. Proper tire pressure affects traction, fuel efficiency, and overall safety, making it essential for any WRX owner to stay informed about the recommended specifications.
For the 2019 model year, the WRX comes in various trims, each with specific tire pressure requirements. Understanding these specifications is vital for ensuring that your vehicle operates at its best. Below is a detailed table that outlines the recommended tire pressures for different trims and engine configurations of the 2019 Subaru WRX.
2019 Subaru WRX 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) |
|---|---|---|---|---|
| WRX Base | 36 | 2.48 | 36 | 2.48 |
| WRX Premium | 36 | 2.48 | 36 | 2.48 |
| WRX Limited | 36 | 2.48 | 36 | 2.48 |
| WRX STI | 36 | 2.48 | 36 | 2.48 |
2019 Subaru WRX Tire Pressure Sensor Reset
When the tire pressure monitoring system (TPMS) light flashes on your 2019 Subaru WRX, it indicates that there may be an issue with the tire pressure or the sensor itself. This can happen after adjusting the tire pressure, changing tires, or due to 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 or in the glove compartment.
- Press and hold the reset button until the TPMS light blinks three times, then release it.
- Start the engine and drive the vehicle for about 10 minutes to allow the system to recalibrate.
Tire Pressure Monitoring System Light Flashing
If the TPMS light continues to flash after attempting to reset, it may indicate a deeper issue. Here’s what to check:
| Potential Issue | Action Required |
|---|---|
| Low Tire Pressure | Check and inflate tires to the recommended PSI. |
| Faulty Sensor | Inspect the sensors for damage or malfunction. |
| Tire Replacement | Reprogram or replace the TPMS sensors if new tires are installed. |
| Battery Issues | Replace the battery in the TPMS sensors if they are not functioning. |
Common Troubleshooting Tips
- Always check tire pressure before resetting the sensor.
- Consult the owner’s manual for specific instructions related to your trim.
- If the light persists, consider visiting a certified Subaru technician for diagnostics.
Importance of Maintaining Proper Tire Pressure
Maintaining proper tire pressure is crucial for the overall performance, safety, and longevity of your 2019 Subaru WRX. Incorrect tire pressure can lead to several problems, including reduced fuel efficiency, compromised handling, and increased tire wear. Under-inflated tires can cause excessive heat buildup, leading to blowouts, while over-inflated tires may result in a harsh ride and decreased traction. Regularly checking and adjusting tire pressure is essential for keeping your vehicle operating optimally.
Benefits of Proper Tire Pressure
- Improved Fuel Efficiency: Properly inflated tires reduce rolling resistance, allowing your WRX to achieve better fuel economy.
- Enhanced Safety: Correct tire pressure ensures optimal traction and handling, reducing the risk of accidents.
- Extended Tire Life: Maintaining the recommended pressure can prevent uneven wear, extending the lifespan of your tires.
- Better Performance: The WRX is designed for performance; proper tire pressure helps maintain its agility and responsiveness.
How to Check Tire Pressure
Checking the tire pressure on your Subaru WRX is a simple process that can be done at home or at a gas station. Here’s how to do it effectively:
- Gather Necessary Tools: You will need a reliable tire pressure gauge. Digital gauges are often more accurate and easier to read.
- Check Tire Pressure When Cold: Tire pressure should be checked when the tires are cold, ideally before driving or after the vehicle has been parked for at least three hours.
- Remove Valve Caps: Unscrew the valve caps from each tire.
- Insert Gauge: Press the tire pressure gauge onto the valve stem. Ensure a tight seal to get an accurate reading.
- Read the Pressure: Note the PSI reading on the gauge and compare it to the recommended tire pressure listed on the driver’s side door jamb or in the owner’s manual.
- Adjust Pressure if Necessary: If the pressure is too low, inflate the tire to the recommended level. If it’s too high, release some air until it reaches the proper PSI.
- Replace Valve Caps: After checking and adjusting, securely replace the valve caps to prevent dirt and moisture from entering.
Useful Tips for Tire Maintenance
- Check tire pressure at least once a month and before long trips.
- Rotate your tires regularly to ensure even wear.
- Inspect tires for signs of damage, such as cuts or bulges.
- Consider investing in a tire pressure monitoring system (TPMS) if your vehicle is not equipped with one.
- Keep a portable air compressor in your vehicle for emergencies.
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