Conditions For Running DTC

WARNING: This page is about a different car, the 2002 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.

The engine is operating on alternative fuel.
The following DTC's are not set: P0106, P0107, P0121, P0122 or P0123.
The MAP sensor signal indicates greater than 17 in. Hg (57 kPa).
The TP sensor signal indicates throttle angle is open greater than 12 percent.
The calculated engine airflow is greater than 40 gms/sec.
All conditions have been met for at least 15 seconds.