Conditions for Setting the DTC: P014B
WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
- The ECM detects that the O2 sensor cannot achieve voltage below 350 mV.
AND
- The ECM detects that the accumulated air flow monitored during the lean-to-rich transition is more than 50 grams.