P0158 Mercedes Benz E 63 AMG Sedan (212.077) V8­6.3L (156.985)

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P0158
G3/5 (Left O2 sensor, after TWC [KAT]) : Short circuit to positive / Resistance of sensor heater too low (P0158)
Possible cause:
­ G3/5 (Left O2 sensor, after TWC [KAT])
Affected functions:
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Engine diagnosis
Exhaust system
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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.