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Home >> Chrysler >> 2011 >> 300 C, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 75 (3.7L/4.7L/5.7L - DTCS P0196 To P0501 - NGC - 1500 & 2500) >> Diagnosis and Testing >> P0457-Loose Fuel Cap >> When Monitored:

When Monitored:

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Engine running. Ambient Temperature between 4° C and 32° C (39° F and 89° F) Close Loop fuel system. Test runs after the medium leak test is inconclusive and the PCM has senses a fuel increase.