P0120 Code: Understanding TPS “A” Circuit Malfunction
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WebOct 6, 2023 · What Does The P0120 Code Mean? P0120 is a diagnostic trouble code (DTC) that indicates there is a problem with the throttle position sensor (TPS) circuit, specifically circuit “A.”. While it is a generic code that can occur in various car makes and models, it is particularly more common in Chevrolet, Toyota, and Nissan among others.
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