Febi 38709 Ignition Knock (Detonation) Sensor

Febi 38709 Knock Sensor for Toyota and Lexus

The febi 38709 ignition knock sensor is a direct-fit emission control sensor for a wide range of Toyota and Lexus applications. It monitors engine vibration signals so the engine control system can respond to detonation-related changes and maintain proper operation.

Built to match the listed dimensions and 2-connection design, this febi sensor is a practical replacement for vehicles such as Toyota Camry, Toyota RAV4, Lexus RX350, and Lexus ES350. The febi product line focuses on application-specific replacement parts for import vehicles, including emission and engine management components.

Key Features

• Part number: febi 38709
• Ignition knock (detonation) sensor for emission control systems
• 2 electrical connections
• Dimensions: 51 mm length, 26 mm width, 23 mm height/thickness
• Fits a broad range of Toyota, Lexus, Chevrolet, Buick, Cadillac, and Scion applications
• Cross-reference example: 89615-02020

Detailed Description

Febi 38709 is an ignition knock sensor used in engine management systems that rely on accurate detonation feedback. It is listed for many Toyota and Lexus models, including Toyota Camry, Toyota Highlander, Toyota Tacoma, Lexus GX460, and Lexus RX450h, along with select Buick, Chevrolet, and Cadillac applications. The part number 38709 is also useful when cross-checking replacement needs against OE-style references during diagnosis or parts lookup.

Compatible vehicle coverage includes long-tail search applications such as a knock sensor for 2003-2021 Toyota Camry, a detonation sensor for 2007-2021 Lexus RX350, and an ignition knock sensor for 2012-2021 Toyota Tacoma. This makes febi 38709 a relevant replacement choice when servicing engine performance or emission-related fault conditions on the listed vehicles.

What This Part Helps Address

• Knock sensor fault codes
• Engine pinging or detonation-related drivability concerns
• Rough running caused by inaccurate knock feedback
• Check engine light conditions tied to the knock sensor circuit
• Emission control system sensor replacement needs

Installation Notes and Tips

Verify connector style, mounting location, and engine application before installation. Confirm the sensor dimensions and the 2-pin connection match the original part on the vehicle. For best results, inspect the harness and connector for corrosion, damage, or looseness before installing the replacement sensor.

Fits 2003-2021 Toyota Camry, N/A. Fits 2006-2021 Toyota RAV4, N/A. Fits 2007-2021 Lexus RX350, N/A. Fits 2010-2021 Lexus GX460, N/A. Fits 2005-2021 Toyota Tacoma, N/A.

Quality Assurance

Febi is an established aftermarket brand for replacement vehicle components, and febi 38709 is cataloged with defined dimensions, connector count, and application coverage to support accurate parts matching.