MPI <4G6> -
Troubleshooting
13A-21
Code No. P0130 Oxygen sensor (front) system <sensor
1>
Probable cause
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.
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>
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.
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