Mercedes Benz

Mercedes-Benz Mercedes Benz OEM Parts Mercedes Benz OE Replacement Parts 0230 Due to a possible leak in the intake air system, an implausible signal was received from oxygen sensor 1 (cylinder bank 1). Possible cause: - Intake system Affected functions: - Engine diagnosis - Exhaust system ------------------------------------------------- Test 1: Check component G3/4 (Right O2 sensor, before TWC [KAT]). 1. Check component G3/4 (Right O2 sensor, before TWC [KAT]). Warning!Communication with ECU required.