Mercedes-Benz Mercedes Benz OEM Parts Mercedes Benz OE Replacement Parts 0424 Heating of component G3/5 (Left O2 sensor, after TWC [KAT]) : Heating capacity is too low. (P0038) Possible cause: - G3/5 (Left O2 sensor, after TWC [KAT]) Affected functions: - Engine diagnosis - Exhaust system ------------------------------------------------- Test 1: Check component G3/5 (Left O2 sensor, after TWC [KAT]). 1. Check component G3/5 (Left O2 sensor, after TWC [KAT]). Warning!Communication with ECU required.
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