2010-2023 Toyota 4Runner ECUs & Engine Management Systems

Engine calibration and fuel mapping both improve through 2010-2023 Toyota 4Runner ECUs & Engine Management Systems that reprogram factory computers completely for your 4Runner. Multiple tunes allow switching between economy and performance modes depending on driving conditions and load requirements.

 

Handheld programmers let you switch tunes on the fly at gas stations while custom dyno tuning extracts maximum power. Some devices include data logging features which help diagnose problems and optimize performance gradually over time.

 

ECUs and engine management systems control calibration for your 4Runner modifications throughout the powerband. You can start with 2010-2024 Toyota 4Runner Cold Air Intakes & Air Filters for better breathing improvements, or grab handheld 2010-2024 Toyota 4Runner Tuners for easy switching, then add 2010-2024 Toyota 4Runner Superchargers Kits for instant boost.