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Mercedes Benz
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2000
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E 430 (210.070) V8-4.3L (113.940)
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P1031
P1031
Components G3/3 (Left O2 Sensor, Before TWC [KAT]) and G3/4 (Right O2 Sensor, Before TWC [KAT]) Mixed Up
Possible cause and remedy
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Test plug connections.
** End of Test **