Why Your Fuel System Monitor is Playing Hide-and-Seek Unraveling the Mystery

I recently had an issue where I had a clear a DTC code from a loose wire on the turbo vane before I could smog my truck because all codes ... The fuel system monitor allows the PCM to evaluate how close the fuel control system can regulate the fuel mixture in attempting to achieve an optimum air/fuel ... not set on certain flex fuel models. Readiness monitors are disabled for operation if greater than >E10 blends. The monitor will ignore all 11 ... I went to have the truck inspected and initially it failed emissions because the NOX/SCR Monitor and Exhaust Gas Sensor were listed as not ready. chances are the ecu just did not have enough time to cycle and set the readiness codes. give it more time and try again. 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 ... But normally the evap drive cycle to complete you need more than 1/4 tank of gas but not more than 3/4 tank of gas, it must sit over night, and ... 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. Short answer. Get a VAG capable scan tool and check your fuel trims. If your fuel trims are high, you will have to figure out why. Have you tried finding and following the procedure for clearing all the monitors? If this is for emissions testing many jurisdictions allow one, ...