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Home >> Chrysler >> 2011 >> 300 C, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 417 (5.7L CNG - DTCS P0204 To P0606 - 2500 Hd) >> Diagnosis And Testing >> P0440-General EVAP System Failure >> When Monitored

When Monitored

WARNING: This page is about a different car, the 2013 RAM 2500 HD and 2012 RAM Pickup. However, it is still accessible from the selected car via links, so may be relevant.

With the engine running after a cold start, difference between ECT and AAT less than 10° C (18° F), fuel level between 12% and 88%, manifold vacuum greater than a minimum value, ambient temperature between 4° C and 37° C (39° F and 89° F), and altitude less than 8500 feet.