Fuel System Monitor on the Blink? Diagnose Its Malaise with These Tips

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 ... 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 ... 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 ... The " Catalytic, Evap, 2nd Sys, O2 Sensor (both heated & non-heated), and EGR System are all marked as not ready." Those all require specific ... B. Fuel System Monitor ... The following conditions must be met: ... Fuel level above 1/4 tank. ... Battery condition fair or above, i.e. 11v-14v. ... Idle-up or PTO ... I havent put a lot of miles on it since but my only monitors having a hard time setting are 02 sensor. The heater is good. Fuel system will ... 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 ... To allow your vehicle's monitors to perform their tests and reset them to a "ready" state, your vehicle will have to be driven in a special way called a "drive ... 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 ...