WHP wideband knock sensor kits are designed to exploit the sophisticated knock detection circuits in many modern ECUs, such as the ECUMaster EMU. The knock processing chip in the EMU is designed to take advantage of wideband, or flat response, knock sensors. Until recent years, most knock sensors were designed to generate an output voltage only around a preset frequency based on engine characteristics, limiting the need for signal processing. The drawbacks of such sensors were their inability to separate knock from noise. With modern signal processing, wideband sensors can be used, allowing the EMU to process the signal in its full range and look only for sounds that represent knock. The EMU can also filter the signal by crank degrees to monitor only the sensors at engine positions where a knock is likely to occur. WHP wideband knock sensors allow for greater sensitivity to knock and greater control of the engine, allowing the tuner to maximize power output with the confidence that the EMU will employ engine protection strategies when knock is detected.

WHP Wideband Knock Sensor Kits are designed to work with many Toyota and Nissan engines, such as the 1JZ, 2JZ, 3SGTE, SR20, RB series motors, etc. Each kit includes a new knock sensor with a 12-month warranty, mounting stud, retaining nut, and electrical connector with pins and seals.

12mm x 1.25 fits 1JZ, 2JZ, and 7M stock knock sensor locations on the block.

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