AR:DTC P0171 SYSTEM TOO LEAN (BANK 1)
1. OUTLINE OF DIAGNOSIS
Detect fuel system malfunction by the amount of main feedback control.
Diagnostic method
Fuel system is diagnosed by comparing the target air fuel ratio calculated by
ECM with the actual air fuel ratio
measured by sensor.
2. ENABLE CONDI
AT models
1) Yellow handle
1. Park the vehicle on a level surface and stop the engine.
2. Pull out the level gauge, wipe it clean, and insert it again.
1) Upper level
2) Lower level
3. Pull out the level gauge again and check the oil level on it. If it is below the lower l