Fuel System Monitor's Silent Treatment Breaking Down the Barriers

The ECU will once again self-test the EGR System, EVAP Purge System and Long Term Fuel Trims. ACCELERATE: Go ahead and accelerate again at 3 ... Ensure that the vehicle meets the conditions for a cold start listed above. ⇒ If the evaporative emission (EVAP) I/M System Status indicator ... The fuel level being empty, and now full, may have a lot to do with your troubles. Once it gets down to around 3/4 tank, I'd start watching the ... Reconnect in the reverse ( red then black) after 20 minutes. Attach your obd 2 scanner and initially almost all monitors are incomplete. What I ... 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, ... Continues to fail with 3 monitors "Not Ready": Fuel System, Catalyst, and Oxygen Sensor Heater. Previous Jeep tech advised to drive for 55mph ... You can also force a DPF regen through Carly if that would help you get that particular monitor ready and within the passing limit mentioned above more quickly. Fuel system normally completes almost instantly after startup, even if the battery was disconnected. If it doesn't it could be because a parameter is out of ... You have to do a couple "drive cycles" to get all the monitors to read "ready". ... 20 minutes of stop-and-go driving with at least four 30-second ... If the PCM reads more or less fuel than that the evap monitor WILL NOT start and this has to be done twice with a minimum of an 8 hour cool ...