GS 300 L6-3.0L (2JZ-GE) (1993)
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Oxygen Sensor: Testing and Inspection
California Models
Main Heated Oxygen Sensors
INSPECTION
1. Allow the engine to warm up to normal operating temperature.
2. Inspect feedback voltage.
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Connect the positive (+) probe of a voltmeter to terminal VF1 (for sensor No. 1) or VF2 (for sensor No. 2) of the Data Link Connector, and
negative (-) probe to terminal E1.
