Lambda Sensor Tester/Simulator

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Tests Zirconia and Titania lambda sensors and ECU. Suitable for 1, 2, 3 and 4 wire sensors, heated and unheated. LED display shows crossover signal from sensor. Simulates rich or l ean mixture signals to check ECU response. Insulation-piercing clip for quick and easy connection plus display to confirm wire identity. Features a low battery indicator and powered by 9V battery (supplied). Show more