Van Wagon 2WD L4-2237cc 2.2L (4Y-EC) (1987)
/Page-313001.png)
Oxygen Sensor: Testing and Inspection
OXYGEN SENSOR
INSPECTION OF FEEDBACK VOLTAGE (VF)
1.CONNECT SST AND VOLTMETER.
Connect SST to the EFI check connector and connect a voltmeter to SST.
*SST 09842-14010
Connect the positive (+) probe to the red wire of the SST and negative (-) probe to the black wire.
2. WARM UP ENGINE TO NORMAL OPERATING TEMPERATURE.
