Cold Start Emission Reduction Component Monitor: Notes
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2009 Mercury Mountaineer, 2009 Mercury Milan, 2009 Mercury Mariner, 2009 Mercury Grand Marquis, and 2009 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
Two different tests are carried out during the cold start emission reduction component monitor. The low idle air flow test which checks the performance of the idle air control strategy and the spark timing monitor test which checks the spark timing strategy.