Secondary Air System Readiness Flag

[Jager]

Originally Posted by Shehadehd

My gopoint obd2 scanner lets me look at the o2 sensor's voltages. During start-up is there a particular pattern I'm looking for?

Very low voltage, 0.00 to 0.02 volts while the air pump is running. After the pump shuts off the voltage will jump up and alternate from .1 to .75 volts.