Fuel System Monitor Mystery Unraveling the Enigma of Its Unresponsiveness

Hello, After driving quite a while and a number of fuelings, the fuel system readiness monitor continues to show not ready for the looming ... ... the drive cycle to set the OBDII system to show ready. ... The monitors I could not reset were the Oxygen Sense, Cat Monitor, and EGR system ... The PCM has a software routine called the Diagnostic Executive that schedules, runs, suspends "monitor tests". Several conditions will suspend - ... The " Catalytic, Evap, 2nd Sys, O2 Sensor (both heated & non-heated), and EGR System are all marked as not ready." Those all require specific ... 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 ... Continues to fail with 3 monitors "Not Ready": Fuel System, Catalyst, and Oxygen Sensor Heater. Previous Jeep tech advised to drive for 55mph ... 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 ... Most likely it's the drive cycle, a lot of people have found that it takes much longer than the expected cycle to get everything to set, because ... If only the fuel system monitor is not ready, you may want to try the following short generic drive cycle (not vehicle-specific) that DEP ... 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 ...