You bought your Legacy because its adventure and a fun driving experience appealed to your senses; so why would you settle for second rate when it comes to superior quality auto parts? Auto enthusiasts know that a "go anywhere" attitude is built into each Subaru, and know that only the highest quality repair Legacy parts will suffice when repairs are needed. Your Subaru dealership isn't the only place to find genuine or original equipment quality parts to repair your Legacy. Make no mistake, you bought your Legacy because you wanted to buy dependability and long-lasting service both rolled up into one vehicle.
Your fuel-injected engine requires constant communication between the engine control module and the throttle position sensor to maintain the best balance between power and gas mileage. On your Subaru Legacy, the throttle position sensor detects the opening and closing of the butterfly plates inside the throttle body and the engine control unit determines the appropriate response. At wide open throttle it may downshift and flood the fuel injectors for more power, or reduce fuel consumption when you let off the accelerator. Either way, the Subaru Legacy throttle position sensor is absolutely critical to your engine performance.
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Measures the accelerator pedal position (travel).