P0031 Mercedes Benz E 63 AMG Sedan (212.077) V8­6.3L (156.985)

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P0031
Heating of component G3/4 (Right O2 sensor, before TWC [KAT]) : Short circuit to ground (P0031)
Possible cause:
­ G3/4 (Right O2 sensor, before TWC [KAT])
Affected functions:
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Engine diagnosis
Exhaust system
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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.