Deactivation of the rear O2 sensor(s)
Vehicles are fitted with upstream and downstream (rear) lambda/O2 sensors to monitor exhaust gas composition and catalyst efficiency. When a decat exhaust or sports catalyst is fitted, the rear lambda sensor often generates fault codes due to the changed exhaust gas readings. Our Lambda Sensor Removal solution disables rear O2 sensor monitoring in the ECU to prevent these fault codes without affecting the primary fuelling lambda loop.
This solution is ordered via the ByteFlash Portal. Log in, select the vehicle, choose this option and upload the original ECU file. The modified file is available to download from your portal account.
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