Code - Mitsubishi FUEL Manual

Code No. P0130 Oxygen sensor (front) system <sensor
1>
Range of Check
D Three minutes have been passed since the engine has been started.
D The engine coolant temperature is approx. 80_C or more.
D Engine speed is 1,200 r/min or more
D Driving on a level surface at constant speed.
Set Conditions
D The oxygen sensor (front) output voltage is 4.5 V or more when the sensor
output voltage is 0.2 V or less and a voltage of 5 V is applied to the oxygen
sensor (front) inside the engine-ECU.
Range of Check
D Engine speed is 2,800 r/min or less
D During driving
D During air/fuel ratio feedback control
Set Conditions
D The oxygen sensor (front) output frequency is six or less per 10 seconds on
average.
MPI <4G6> -
Troubleshooting
Probable cause
D Malfunction of oxygen sensor (front)
D Open or short circuit in the oxygen sensor (front)
circuit or loose connector contact
D Malfunction of engine-ECU <M/T>
D Malfunction of engine-A/T-ECU <A/T>
13A-21