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02 sensor output

https://ausubaru.com.au/viewtopic.php?f=21&t=19300

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02 sensor output

Posted: Wed Apr 06, 2011 8:49 am
by H-top
G'day,

can anyone tell me the voltage output
range on an early EJ 02 sensor -3wire

can't find the info in the manual on the forum


Cheers,
S

Posted: Wed Apr 06, 2011 5:18 pm
by Gannon
Its just a normal narrowband o2 sensor, so the voltage will vary between 0.1 and 0.9v roughly

2 of the wires are for the heater, and one for the signal. The ground is through the exhaust pipe


It wasnt till OBD2 vehicles (after around 2002) that the oxygen sensors started to become more complicated.
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