Fuel System Monitor's Unwillingness to Cooperate Understanding Readiness Issues

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 ... 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 ... the OBD system has not yet completed ... 1996-1998 Mitsubishi vehicles - These vehicles may have a high degree of “not ready” for the catalyst monitor. Fuel system normally completes almost instantly after startup, even if the battery was disconnected. If it doesn't it could be because a parameter is out of ... ... my monitors to enable except for the fuel monitor. I ... #5. So i found some good info on why the fuel system monitor might not be ready If your oxygen sensor monitor isn't working, this video is for you! We'll show you how to fix the O2 sensor monitor not ready problem, ... 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 ... 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 ... 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. Did you change batteries or disconnect the battery? (main cause of issue). Because if you did it takes a long time to set this monitor to ready.