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2.Disconnect oxygen sensor plug.

4.The voltage must be in 0.1 V to 1.0 V range (depending on concentration of oxygen in exhaust)

Voltage characteristic of oxygen sensor for working temperature of 6G0°C,

Rich mixture Lean mixture (air deficiency) (excessive air)

5.Disconnect vacuum line from fuel pressure regulator. The voltage 3.Connect voltmeter to terminal 1 signal must increase,

(sensor half of plug) and ground.

Testing lambda control function.

¡.Precondition as for the "sensor voltage" test.

2.Disconnect oxygen sensor plug. With length of cable, briefly connect terminal 1 of control-unit side of plug to ground.

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