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Author Topic: Smog gurus  (Read 3818 times)

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emsvitil

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Re: Smog gurus
« on: May 31, 2019, 10:49:43 PM »
Should be narrow band O2 sensor.
You check the voltage output of an O2 sensor while it's running. 
tap in a digital voltmeter and watch the voltage.

Should dither around .5 volts.
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