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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 195 (3.7L/4.7L/5.7L - DTCS P0197 To P0503 - NGC - 1500 & 2500) >> Diagnosis And Testing >> P0457-Loose Fuel Cap >> When Monitored:

When Monitored:

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

Engine running. Ambient Temperature between 4° C and 35° C (40° F and 95° F) Close Loop fuel system. Test runs after failing the large leak size test as inconclusive and the PCM has sensed a fuel increase.