Audi A3 8P Accelerator Throttle Gas Pedal 2.0 FSI Petrol AXW 1K2721503

Audi A3 8P Accelerator Throttle Gas Pedal 2.0 FSI Petrol AXW is an original component from the Pedals, pedal pads and footrests group, designed for the petrol engine fuel system. It ensures precise transmission of the power demand signal to the engine control unit, which translates into predictable vehicle response and stable drivetrain operation.

Specifications and technical data

• SKU: 1K2721503E
• Mark: Audi
• Condition: Used
• OEM Part Number: 1K2721503E
• Substitutable numbers: 1K2721503E, 1K2 721 503 E, 6PV008745, 6PV 008 745, 1K2721503EC, 1K2 721 503 EC, 1K2721503, 1K2 721 503
• Fuel type: Petrol
• Part type: Accelerator Pedal
• Category: Pedal Assemblies, Pads & Parts

Purpose and function in the drivetrain

The presented accelerator pedal is a control component for the engine unit in the petrol version, adapted for FSI fuel supply. It is responsible for converting the movement of the driver's foot into an electrical signal that reaches the engine control unit, enabling smooth torque delivery across the entire RPM range. In combination with appropriate electronic control, the gas pedal allows for:

• accurate mapping of the pedal position in the engine control unit,
• stable response to acceleration and throttle release,
• comfortable vehicle handling in city traffic and on the highway.

Construction and performance characteristics

The pedal construction has been designed with driver ergonomics and durability in daily use in mind. The tilt angle, travel distance, and mechanical resistance are selected to enable precise acceleration control without excessive foot fatigue during longer drives. Key features include, among others:

• an integrated electronic module responsible for position reading,
• stable mounting to the chassis, reducing unwanted play,
• compatibility with the engine control system adapted for petrol fuel. Thanks to its factory origin, the component maintains the correct gas pedal operating characteristics, which is essential for preserving the vehicle's factory driving feel.

Benefits of using an original gas pedal

Using an original accelerator pedal in an Audi A3 8P allows for maintaining the consistency of drivetrain operating parameters. Compared to aftermarket replacements, a component from the same production line as the vehicle's factory equipment ensures:

• proper fitment to the mounting points in the chassis,
• compliance of electrical characteristics with the factory engine control unit,
• reduced risk of errors in the diagnostic system. For the user, this means predictable vehicle behavior during acceleration, no need for adapting non-factory parameters, and maintaining driving comfort in accordance with the manufacturer's specifications.

Application in service and diagnostics

The component is suitable both for the typical replacement of a worn-out pedal and for diagnosing throttle response issues in petrol units. In the case of symptoms such as uneven response to pedal depression, delayed acceleration, or sporadic errors in the control unit, replacing it with a verified component from this group can be an effective solution. Thanks to the preservation of factory specifications, the accelerator pedal works with the existing wiring harness and control unit software, which facilitates service work and limits the need for additional modifications.

Expansion of the control system in Audi

If you are planning a comprehensive repair or upgrade of the floor control area in your Audi and need other components from the same group, such as additional pedals, pads, or footrests, check the available parts in the Audi Pedals, pedal pads and footrests category. If you are interested in a broader context of automotive electronics usage and want to better understand how modern control modules work in vehicles, it is worth reading an article describing a practical approach to repairs using dismantled parts: Driving pleasure for years – how to take care of iDrive systems and electronic modules in BMW 3 and 5 series models.