![]() ![]() When the tech handed me back the paper saying my jeep failed due to fuel system not ready I was shocked. Manufacturers also publish drive cycles to set specific monitors like the catalyst monitor to monitor catalytic converter efficiency. NJDMV Fuel System - Not Ready Wow, I just took my stock 2012 Jeep Wrangle Shara to the NJDMV inspection station in Edison today. The system monitors several systems and may even test systems like the evaporative emissions while the vehicle is at rest. ![]() The OBDII system sets a fault code and illuminates the check engine light if emissions exceed 1.5 times the emissions standards. While accelerating up to 55 mph, the misfire, fuel trim, and purge monitors are enabled. two monitors that are not ready will be accepted for the OBD test and the test. For example, the system monitors the heated oxygen sensors during a cold start. monitors the performance of the ignition, fuel metering and emissions. I think ive fixed the issue, which couldve been a dirty MAF, as i couldnt spot any leaks in the air intake. They did a lot of work to my car and had it for over two weeks. I’ve spoken to BMW and they told me to do the drive cycles, which I did. I don’t have mods, if I do they passed before. The chart above illustrates some of the monitors and steps involved. CAT I got a check engine line code for p0171, bank 1 system too lean. The issue is the fuel system monitor is not ready but there are no codes, so technically nothing is wrong with the car. The Diagnostic Executive suspends monitoring of fuel-system related monitors (catalyst, misfire, evap,O2, AIR and fuel system) when fuel level falls below. After meeting certain conditions, the monitor will report "ready." The misfire, fuel trim, and comprehensive monitors are continuous monitors others require a drive cycle. There are no codes and when I look at the engine data I dont see anything too off. I want to know what conditions it needs to run and why they are not being met. Secondary Air Monitor READY OBDII Drive Cycleĭrive cycles vary among manufacturers. no, it is the fuel system, Evap, oxygen sensors, and Catalytic monitors that are all not ready after a lot of driving.Perform the recommended drive cycle to set the OBDII monitors and ensure that the monitors are "ready" to monitor vehicle emissions before running an emissions test. The OBDII monitors are "not ready" to monitor vehicle emissions when the power to the engine control module is disconnected. ![]()
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