Regular Test
WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
- During the regular test the HO2S 2 voltage is between 390-520 mV for at least 1,080 out of 1,200 samples.
- Each sample is 100 ms during both tests.
- This diagnostic runs once per trip.