P040A Code – Exhaust Gas Recirculation Temperature Sensor A Circuit

Code P040A Possible Causes
Exhaust Gas Recirculation Temperature Sensor A circuit poor electrical connection
Exhaust Gas Recirculation Temperature Sensor A harness is open or shorted
Faulty Exhaust Gas Recirculation Temperature Sensor A
Exhaust Gas Recirculation Temperature Sensor 2 circuit poor electrical connection

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