Fuel System Monitor's Readiness Conundrum Exploring the Causes

Wife's Patriot O2 and fuel monitors were not ready for E Check. Tried Chrysler general drive cycle and specific O2 sensor drive cycle and still not ready. Its possible they are not fully passing, yet are not fully failing that monitor test. Sometimes it is not even the sensor itself, but a circuit related issue, ... I am unable to pass emission test because of the fuel system monitor being incomplete. This concerns me because since it is a continuous monitor it should ... Unset Monitors. Often, a failed inspection is due to system monitors not being ready. There are two types of monitors in a vehicle: Three ... I ran into issues because the vehicle had 4 parameters in the emissions monitors that were 'incomplete' or 'not ready': 1. Fuel system 2. Catalyst 3. ... The "Readiness Monitor" reports. Catalyst: Not Ready Fuel System: Not Ready O2 Sensor: Not Ready O2 Sensor Heater: Not Ready A lot of OBD readers will have a section that shows a list of monitors that show which ones are ready, which ones are not ready yet, and a few ... Now, switch the rear defroster and ac off and keep the speed of your vehicle at 90 km/hr (55MPH) nearly for 3 minutes. During this period, the purge and Fuel ... Is Your Evap system not ready? Want to pass the emission test successfully? Learn about the importance of the Evap screen and how to ensure ... Ensure that the vehicle meets the conditions for a cold start listed above. ⇒ If the evaporative emission (EVAP) I/M System Status indicator ...