Code 41 - Air/Fuel Learning Control

NOTE: Refer to illustration for connector and terminal identification. See Figure -Figure .

Ensure fuel injectors, mass airflow sensor, engine coolant temperature sensor, throttle position sensor, oxygen sensor, and fuel pressure are operating within specifications. See:

CODES 14, 15, 16 & 17 - FUEL INJECTOR
CODE 23 - MASS AIRFLOW SENSOR
CODE 21 - COOLANT TEMPERATURE SENSOR
CODE 31 - THROTTLE POSITION SENSOR
CODE 32 - OXYGEN SENSOR (O2S)

Repair as necessary. If systems are okay, repair ECM harness connector or replace ECM.