Troubleshooting Fuel System Monitor Inactivity A Step-by-Step Guide

When mclarensf hooked it up to their computers the error message was basically interpreted to be "bad fuel". That's what they thought it was originally until ... 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 ... It failed fuel system readiness because the JB4 is manipulating the fuel rail pressure, so it isn't passing readiness. Take the JB4 off, clear codes, drive it ... Most OBD monitors complete more readily using a steady foot driving style during cruise or acceleration modes. · The fuel tank level should be ... In order to run the monitor, it needs to see: Ambient temp needs to be between 40f. and 95f. Also the difference between engine coolant temp and ... ... not ready" state, usually the Evap System, and pass smog. If you have a continuous monitor out of ready, even if it's the only one, you fail. If you miss any of the marks, the cycle will end and you'll have to start all over. One of the mistakes I made was not maintaining the proper ... Begin by: (Make sure you have between 1/4 and 3/4 fuel in the gas tank. The EVAP test will not run while your Toyota has a full tank of gas or ... The number of incomplete OBD readiness monitors that are allowed to pass the OBD test portion of a Smog Check inspection are provided below. Model Year, Fuel ... 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 ...