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What is the difference between built-in and external tire pressure monitoring?

2 Answers

LeLily

07/25/25 4:58pm

Built-in tire pressure monitoring and external tire pressure monitoring have the following differences: Price: Built-in tire pressure monitoring is relatively more expensive than external tire pressure monitoring. Installation time: Installing built-in tire pressure monitoring takes more time and requires professionals to remove the tires, which is generally not feasible for ordinary car owners. External tire pressure monitoring, on the other hand, is simpler to install and can be done by the car owners themselves. Accuracy: Due to environmental and external factors, the accuracy of external tire pressure monitoring is slightly lower than that of built-in monitoring. Theft prevention: Built-in monitoring is more secure as it is installed inside the tire, making it highly unlikely to be stolen. External monitoring has poorer theft prevention because sensors of the same brand can be removed using the same tools. Tire pressure monitoring automatically monitors tire pressure in real-time during driving and alerts the driver to leaks or low pressure to ensure driving safety.

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DiCaden

08/11/25 10:00pm

Built-in tire pressure monitoring requires removing the tire to install the sensor, which is quite a hassle and requires a trip to the repair shop to get it done. Last time I did it, it took me the whole morning. The external ones are super convenient—you can install them yourself, just screw them onto the valve stem like a bottle cap, and it's done in five minutes, saving you the installation fee. However, the external sensor is exposed, so you have to worry about someone casually unscrewing it or it getting damaged by the water jet during car washing. The built-in ones are much safer since they're hidden inside the tire, but if the battery runs out, you have to remove the tire to replace it, which is quite troublesome. On the other hand, checking tire pressure with external sensors is very convenient—you can just take a look yourself—while the built-in ones only show data on the dashboard. Overall, if you're someone who hates hassle, go for the external ones; if you prefer peace of mind, choose the built-in ones.

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