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Vehicle Accessories & Tools

OBDII P013E fault causes, symptoms, repair

The P013E is a generic OBD-II powertrain trouble code. Its official definition is “O2 Sensor Delayed Response – Rich to Lean (Bank 1, Sensor 2)”. This code is stored by the vehicle’s Engine Control Module (ECM) when it detects that the downstream oxygen sensor (Bank 1, Sensor 2) has an excessive initial delay in its response time as the exhaust gas composition transitions from a rich (low oxygen) state to a lean (high oxygen) state.

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Vehicle Accessories & Tools

P013D fault code causes, symptoms, repair

The P013D is a generic OBD-II powertrain trouble code. Its official definition is “O2 Sensor Slow Response – Lean to Rich (Bank 2, Sensor 2)”. This code is stored by the vehicle’s Engine Control Module (ECM) when it detects that the downstream oxygen sensor on engine Bank 2 takes too long to respond as the exhaust gas composition changes from a lean (high oxygen) state to a rich (low oxygen) state. The downstream sensor, located after the catalytic converter, is crucial for monitoring catalyst efficiency.