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Which of these O2 sensors is responsible for code P0140 no activity?
Wiki User
∙ 14y ago
P0140 code means the rear 02 sensor behind the catalytic convertor has an open circuit. It says no communication from the rear 02 sensor. The rear 02 sensor is also called sensor 2, whether it be bank 1 or bank 2. Hope this helps.
Wiki User
∙ 14y ago
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