P0140 - Regular Test
WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
- The Fast Pass Test has not run or has failed.
- During the regular test, the HO2S 2 voltage is between 382-525 mV for at least 120 seconds.
- This diagnostic runs once per trip.