Ford Fiesta Mk7 Accelerator Throttle Pedal 6 Pin 1.0 EcoBoost SFJA 8V21-9F836-AB

Ford Fiesta Mk7 Accelerator Throttle Pedal 6 Pin 1.0 EcoBoost is an original component from the Pedals, pedal pads and footrests group, designed for precise acceleration control in modern EcoBoost units. The electronic design of the pedal ensures a stable signal to the engine control unit, which translates into predictable throttle response and comfortable operation of the drivetrain. This used OEM component is a sensible choice for professional repairs or replacing a damaged accelerator pedal module.

Specifications and technical data

• SKU: 8V21-9F836-AB
• Mark: Ford
• Condition: Used
• OEM Part Number: 8V21-9F836-AB
• Substitutable numbers: 8V21-9F836-AB, 8V219F836AB, 2120072, 8V21-9F836-AC, 8V219F836AC
• Part type: Accelerator Pedal
• Category: Pedal Assemblies, Pads & Parts

Purpose and function of the accelerator pedal

The presented accelerator pedal is a component of the electronic throttle control system in the 1.0 EcoBoost engine. It replaces the traditional throttle cable by generating an electrical signal proportional to the pedal depression. This allows the engine control unit to precisely manage fuel dosage and boost pressure, supporting smooth engine operation and stable acceleration across the entire rev range. The 6-pin connector enables the transmission of a multi-channel signal from the position sensors, which increases system safety and allows for advanced diagnostics in case of irregularities. This type of solution is standard in modern Ford designs, ensuring consistency with the factory ECU software.

Construction and technical properties

The accelerator pedal is designed as a complete, rigid structure integrated with a position sensor module. The housing and pedal arm are made of durable engineering plastic, resistant to typical operational loads in the driver's footwell. The integrated electronic module works with the vehicle's electrical system via a dedicated harness, which minimizes the risk of signal interference. The internal pedal position sensors operate continuously throughout the entire range of travel, allowing the engine control unit to smoothly map torque demand. The appropriately selected pedal characteristics support comfortable city driving while enabling dynamic acceleration when the throttle is pressed deeper.

Benefits of using an original Ford pedal

Using an original accelerator pedal in the Ford Fiesta Mk7 ensures:

• consistency with the factory engine control unit software,
• correct throttle response characteristics, in line with the manufacturer's specifications,
• a stable signal from the position sensors, reducing the risk of control system errors,
• secure mounting in factory body points without the need for modifications. A used OEM component from this group is often a better choice than a cheap replacement because it maintains factory operating parameters and mechanical fitment. If you want to better understand why original dismantled components are a beneficial solution, it is worth reading the article Why original dismantled parts fit better than cheap replacements.

Installation and service application

The accelerator pedal is intended for installation in factory mounting points in the Ford Fiesta Mk7 with a 1.0 EcoBoost unit. The plug-in design allows for direct connection to the existing electrical harness without the need for system modifications. After correct installation and connection of the plug, standard computer diagnostics can be performed to verify the signal from the sensors. This type of element is used both when replacing a damaged pedal (e.g., in case of control unit errors, unstable throttle response, or mechanical damage) and during professional engine control system repairs. A properly selected accelerator pedal helps restore predictable vehicle behavior during acceleration.

Expansion of the control system in a Ford

If you are planning a comprehensive repair or upgrade of the floor control area in your Ford and need other elements from the same group, such as additional pedals, pads, or driver footrests, check the available parts in the Ford Pedals, pedal pads and footrests category.