Replace Toyota Fuel to air ratio sensor replacement. Purchase Toyota Air fuel ratio sensor & Toyota Lambda sensor socket. Explore Toyota Lambda sensor. Maintaining your Toyota's Air Fuel Ratio (AFR) Sensors is crucial for optimal engine performance and fuel efficiency. Regularly check and clean your AFR sensors to prevent contaminants from skewing readings, signaling the need for timely replacement when you notice poor fuel economy or erratic engine behavior. Choose genuine or OEM-quality sensors to ensure compatibility and longevity, and opt for wideband over narrowband types for more precise measurements. Installation is straightforward with the right tools, but always handle with care to avoid damaging the sensitive tip. By offering top-tier sensors and expert advice, we empower Toyota owners to make informed maintenance choices that keep their vehicles running smoothly.