Fuel System Monitor Not Cooperating? Uncover the Reasons Why

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. So even after two weeks and 550 miles, the catalyst monitor is still not set. I ... Evaporative system monitoring: Not installed. Secondary air system ... 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 ... ... not the heater, and the secondary air system ans so on, Can't wait to go ... not to get ripped off and just look into getting the monitors ready. Back. chances are the ecu just did not have enough time to cycle and set the readiness codes. give it more time and try again. All emissions readiness monitors are set, except the O2 sensor monitor. Both catalyst and O2 heater monitors are set. They won't even test it for emissions ... Less fuel vaporization at low temps throws off the vapor pressure requirement. In my state TWO monitors can by "not ready" and the OBDII test ... My jeep failed NJ inspections (emissions) for “Fuel System Not Ready”. After completing 2 drive cycles it was still reading not ready on my pocketscan. I paid them to reflash the system as that was the known remedy for the “fuel system monitor not ready” issue. It fixed the issue, but now o2 ... 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 ...