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EFI Engine|Page 877 > < Oxygen Sensor|Specifications|Page 874
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Oxygen Sensor: Testing and Inspection
EFI Engine

Fig.39 Checking Oxygen Sensor with Voltmeter

1.

Connect voltmeter to EFI service connector using adapter 09842-14010 or equivalent, Fig. 39. Connector is located in harness with ``Check
Engine'' connector.

2.

Connect suitable tachometer, start engine and run until it reaches normal operating temperature.

3.

Run engine at 2500 RPM for approximately 2 minutes to heat oxygen sensor.

4.

With engine running at 2500 RPM, voltmeter needle should deflect at least 8 times every 10 seconds.

EFI Engine|Page 877 > < Oxygen Sensor|Specifications|Page 874