O2 sensor test

Started by lk1ng04, 04:10:43 PM / 13-Apr-16

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lk1ng04

Is there a full proof way to test the o2 sensor?
And on that bombshell

S12_Lifer

Worth the money to buy new.  You know how strict smog can be in Cali.............unless you know someone.

Wonderingraven

#2
Check FSM, but easiest way for me is, does it change the way it operates when you unplug the o2 sensor? the ECU relays heavily on that o2 sensor, i think disconnected it would run extremely rich if I recall.
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