Porsche 957 Cayenne 3.6L Throttle Body - Used Original Parts

Diagnosis and Common Symptoms

From a workshop perspective, a failing throttle body on the Porsche 957 3.6L V6 engine presents a distinct set of electronic and mechanical symptoms. Diagnosis typically begins with scanning the Engine Control Module (ECM) for specific Diagnostic Trouble Codes (DTCs), which often include P0121 (Throttle/Pedal Position Sensor 'A' Circuit Range/Performance), P2101 (Throttle Actuator Control Motor Circuit Range/Performance), or P2135 (Throttle/Pedal Position Sensor/Switch 'A'/'B' Voltage Correlation).

On the dashboard, drivers will commonly see the Check Engine Light (CEL) illuminated, often accompanied by a "PSM Failure" warning, as the stability management system relies on accurate engine torque data. Physical symptoms manifest as a severely erratic or hunting idle, hesitation and stumbling upon acceleration, sudden power loss (limp mode), or stalling at low speeds. These issues stem from the internal electronic sensors failing or the motor drive gear wearing out, preventing the throttle plate from responding accurately to driver input.

Introduction

Restore the precise throttle response and engine performance of your Porsche Cayenne with this Genuine Used Throttle Body. Sourced directly from a donor vehicle, each unit has been rigorously bench-tested to confirm correct butterfly valve actuation and sensor voltage readings. This provides a reliable and cost-effective solution compared to a new part, without the risks associated with unverified aftermarket components.

Product Details

• Brand: Porsche

• Model Compatibility: Porsche Cayenne (957) 3.6L V6 (2007-2010)

• Part Name: Throttle Body Assembly

• Condition: Genuine Used (Tested Working)

• Notes: Complete assembly with integrated throttle position sensors. A throttle body adaptation/relearn procedure is recommended post-installation to ensure correct idle and performance calibration.