Diagnostic Aids

WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

A skewed MAF sensor may set this DTC. Refer to DTC P0101: MASS AIRFLOW SYSTEM PERFORMANCE .
System will go lean if an injector is not suppling enough fuel.
A skewed ECT may set this DTC.
System will go lean during high fuel demand.
Review the Failure Records with a scan tool. If an intermittent condition is suspected, refer to INTERMITTENTS in TROUBLE SHOOTING - NO CODES - 2.2L & 3.0L VUE article.