October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

When Monitored

This diagnostic runs continuously when the following conditions are met:

With the engine running.
PCM must see engine speed over 400 RPM for minimum time of 10 seconds. This prevents a fault on an engine start/stall condition.
Fuel level is greater then 5%.
The PCM did not request an ESS Auto-stop event.