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== 17547/P1139/004409 - Fuel Trim: Bank 2 (Add): System too Rich == ==== Possible Symptoms ==== * Malfunction Indicator Light (MIL) active ==== Possible Causes ==== * Mass Air Flow (MAF) Sensor faulty * Fuel Pressure Regulator faulty * Fuel Injector(s) faulty * Oxygen Sensor Control faulty ** Oxygen Sensor(s) faulty * Evaporative Emission (EVAP) System faulty ==== Possible Solutions ==== * Check Mass Air Flow (MAF) Sensor * Check Fuel Pressure Regulator * Check Fuel Injector(s) * Check Oxygen Sensor Control ** Check Oxygen Sensor(s) * Check Evaporative Emission (EVAP) System ==== Special Notes ==== * [[Fuel Trim Info|Fuel Trim Information]] [[Category:Fault Codes]]

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