Malfunction indicator lamp on with or without rough running, lack of power, surge or poor fuel economy with diagnostic trouble codes P0401, P0402, P1400, P1401. *tt *jb
Related OBD-II Error Codes
Vehicles impacted by this bulletin may show the following OBD DTC.
P0402 [1] Exhaust Gas Recirculation Flow Excessive Detected
P0401 [1] Exhaust Gas Recirculation Flow Insufficient Detected