Why Your Fuel System Monitor Refuses to Play Ball A Comprehensive Analysis

Out of curiosity which monitor has not completed? I believe you can tell when a readiness monitors has not completed by watching the CEL and ... The " Catalytic, Evap, 2nd Sys, O2 Sensor (both heated & non-heated), and EGR System are all marked as not ready." Those all require specific ... Diagnostic scanner? IIRC, these trucks have Misfire, EVAP, O2, Heated O2, Catalyst, Fuel System, EGR/CMP and I can't remember the last monitor. 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 ... 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 ... Also related to the OBD II system are “Readiness Monitors”. Monitors are not physical devices, but rather programs within the on-board computer(s) that relay to ... If the Malfunction Indicator Light (MIL) comes on steady for 20 seconds and then blinks for 10 seconds , the I/M (Inspection/Maintenance) test ... 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 ... 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. Unset Monitors. Often, a failed inspection is due to system monitors not being ready. There are two types of monitors in a vehicle: Three ...