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Dtc Codes P0455 Twice And P0449 Twice
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mikal78
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Engine Light ON!
Used craftsman scan tool and it revealed code P0455 Evaporative Emission system Leak Detected (gross leak/ no flow) came up twice. and code P0449 Evaporative Emission System system vent control circuit Intermittent came up twice.
According to the scan tool and software advice, I should tighten or replace the fuel cap?
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