The TPS is between 9 percent and 35 percent.Fuel tank level is between 26 percent and 74 percent.ECT is not more than 12☏ greater than IAT.IAT is not more than 2☏ greater than ECT.At start-up, IAT and ECT is between 45☏ and 85☏.The malfunction indicator lamp (MIL) must be off.The EVAP monitor should be complete.Īn example of some common enabling criteria to run the EVAP monitors drive cycle: Start the engine and idle for four minutes, then drive in stop-and-go traffic for five minutes using smooth accelerations and decelerations. The second part runs after the vehicle has sit for 8 or more hours (cold soak) without being driven. The first part runs after idling for five minutes, then driving at 30 to 45 mph for two minutes (fuel tank must be half to 85 percent full). Avoid sharp turns and hills during this period.Ĭhrysler: There are two-parts to this test. The following are sample drive cycles for the EVAP monitor:įord: With fuel tank one half to three-quarters full, cruise at 45 to 65 mph for 10 minutes. Some monitors, for instance the EVAP monitor, may require the fuel level to be between 35% and 85% to enable the monitor to execute. Second, make sure that you have enough fuel in the car. Having stored DTC faults or even pending diagnostic trouble codes active may prevent a monitor from running to completion. OBD II Readiness Monitors Monitor Status Helping set Monitorsįirst, make sure that the check engine light is not commanded on.
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