Adaptive Fuel DTC Diagnostic Techniques: Notes

The Adaptive Fuel Diagnostic Trouble Codes (DTC) Diagnostic Techniques help isolate the root cause of the adaptive fuel concern. Before proceeding, attempt to verify if any driveability concerns are present. These diagnostic aids are meant as a supplement to the pinpoint test steps. For a description of fuel trim, refer toPOWERTRAIN CONTROL SOFTWARE , Fuel Trim.