Fuel System Monitor & Readiness Code

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

This code is always set to available because fuel system is continuously monitored during closed loop operation.
Monitoring pauses when catalytic converter, EVAP control system and A/F sensor monitors are active.
Monitoring pauses when any related enable criteria are not being met. Monitoring resumes when enable criteria are again being met.