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Otherwise, standard shipping charges apply. Check out our delivery Terms & Conditions for more details.

The sensor signal output is shown in real time on the bar graph, while a 2 digit alphanumeric display shows the sensor output cross count per second

By pressing the ‘Test' button and performing a snap throttle acceleration of the engine, it tests the response time of the sensor and shows a pass or fail result within seconds

Two buttons allows for simulation of rich or lean conditions to monitor response of the engine control module

Diagnoses "lazy" (slow response) sensors, which may not set DTCs, but cause drivability problems

Sensor can be tested on or off the vehicle