Fuel System Monitor and Readiness Code

WARNING: This page is about a different car, the 2009 Acura MDX, 2008 Acura MDX, and 2007 Acura MDX. However, it is still accessible from the selected car via links, so may be relevant.

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