Fuel System Monitor Malfunction A Diagnostic Approach to Uncover the Truth

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, ... ... the drive cycle to set the OBDII system to show ready. ... The monitors I could not reset were the Oxygen Sense, Cat Monitor, and EGR system ... 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. Had to get a smog check last month and tech informed I had several monitors in a not ready state. I attempted the BMW drive cycle but haven't ... 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 ... Did you recently pull the battery? Generally most modern cars require you to complete a certain number of specific drive cycles. This ... Diagnostic scanner? IIRC, these trucks have Misfire, EVAP, O2, Heated O2, Catalyst, Fuel System, EGR/CMP and I can't remember the last monitor. Basically in short my fuel monitor will not ready no matter what I do. ... I have fuel system not ready as well as evap (although i did get ... Wife's Patriot O2 and fuel monitors were not ready for E Check. Tried Chrysler general drive cycle and specific O2 sensor drive cycle and still not ready. Most OBD monitors complete more readily using a steady foot driving style during cruise or acceleration modes. · The fuel tank level should be ...