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What is the appropriate tire pressure for a spare tire?

1 Answers

DominicMarie

07/30/25 12:26am

According to the international GBT2978-2008 standard requirements, the standard tire pressure for a spare tire is 2.4-2.5 bar. In winter, the tire pressure should be based on the standard tire pressure of the car tires, with an appropriate increase of about 0.2 bar. In summer, the tire pressure can generally be about 0.1 bar lower than the standard to avoid tire blowouts due to high temperatures. Tire pressure reset method: First, turn on the ignition switch, press and hold the tire pressure monitoring reset button until you hear a "beep" sound, then release it. The tire pressure monitoring system will store the current normal tire pressure data, automatically clear the previous data, and finally the dashboard warning light will turn off, completing the tire pressure reset. There are generally three reasons for abnormal tire pressure: Abnormal tire pressure: The system usually alerts when the pressure is below 1.8 bar or above 3.0 bar. In this case, tire inspection and pressure adjustment are required. Tire pressure monitoring not reset: After inflating the tires, if the tire pressure reset is not performed in time, the tire pressure monitoring system will still record the previous data, causing the tire pressure monitoring indicator light to turn on. In this case, simply perform a tire pressure reset. Damaged tire pressure sensor: The tire pressure sensor, which is used to monitor tire pressure, is directly installed inside the tire and connected to the tire inflation valve. If the sensor is damaged during driving, it will also cause the tire pressure warning light to turn on. For sensor damage issues, only replacement with a new component is possible.

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