P0408 Code – Exhaust Gas Recirculation Sensor B Circuit High

By | |

Code P0408 Possible Causes
EGR volume control solenoid valve harness is open or shorted
Faulty EGR temperature sensor and circuit
Faulty EGR volume control solenoid valve

Need help with this code? Our mechanics are available within west Michigan to help. Outside of our service area? Visit our Car Help Section where you can ask questions and get answers.