P0121, P2135 Throttle Position Sensor/Switch A/B Voltage Correlation Chevrolet Express 2003-2024

Описание к видео P0121, P2135 Throttle Position Sensor/Switch A/B Voltage Correlation Chevrolet Express 2003-2024

“In this video, I explain how to diagnose and repair error codes P0121 and P2135 on a Chevrolet Express (2003-2024). These codes indicate issues with the throttle position sensor or throttle body, specifically ‘Throttle Position Sensor/Switch A/B Voltage Correlation’ and ‘Throttle/Pedal Position Sensor/Switch A Circuit Range/Performance.’ I walk you through the step-by-step process, including inspecting the throttle position sensor, performing a smoke test on the intake system, and diagnosing a dirty throttle body. You’ll also see how to clean the throttle body, clear the fault codes, and verify the repair with a road test. By the end of this video, you’ll have the knowledge to address these common issues and restore proper engine performance.”

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