New Genuine Nissan Silvia SR20 S13 TPS Throttle Valve Switch for cars with Manual Transmission. Correct factory calibrated TPS sensor. The throttle position sensor (TPS) is part of your vehicle's fuel management system, and helps ensure that the correct mixture of air and fuel is delivered to your engine. In most cases your check engine light will be triggered, but a failing sensor can also result in poor performance or fuel economy.
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