Fuel System Monitor Conundrum Untangling the Threads of Its Unreadiness

Issue: You may come upon a vehicle readiness issue in which only the fuel system monitor is not ready. Summary: Beginning with model year 2011, ... Right. I have been to a few of these rodeos. Usually fuel monitor is the first to complete, then the cat and O2 are usually taking their time. 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 ... Every vehicle made after 1996 has to have an OBD2 system built in and that system will have various emissions monitors that signify when it ... Diagnostic scanner? IIRC, these trucks have Misfire, EVAP, O2, Heated O2, Catalyst, Fuel System, EGR/CMP and I can't remember the last monitor. For instance, the catalyst monitor will rely on the air fuel ratio sensor and oxygen sensor for it's test routine. If you check the air fuel ratio sensor test ... This condition can be achieved by letting the car to sit overnight. The ignition key must not be left ON position before the cold start. Make sure the gas cap is tight and you have about 1/2 tank gas. In most cases, just this monitor not being ready should not cause an inspection ... If the Malfunction Indicator Light (MIL) comes on steady for 20 seconds and then blinks for 10 seconds , the I/M (Inspection/Maintenance) test ... Had to get a smog check last month and tech informed I had several monitors in a not ready state. I attempted the BMW drive cycle but haven't ...