Conditions for Setting the DTC

WARNING: This page is about a different car, the 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

The Total Fuel Trim Avg. is less than -40 percent.
The long term (LT) fuel trim (FT) Idle/Decel is less than -7 percent.
The condition exists for 6 seconds.