Poor Fuel Economy
WARNING: This page is about a different variant/trim than selected.
- Inspect for heavy loads being carried or towed.
- Observe the Throttle Body Idle Airflow Compensation parameter with a scan tool. A value greater than 90% may indicate an excessive accumulation of deposits in the throttle bore. Inspect the throttle body and bore and clean, if necessary. Refer to Throttle Body Inspection and Cleaning .