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Cel On, Codes P0449 And P0455
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Question
vaughncurtis38
On my 2003 Chevrolet Silverado the CEL is on when i used the obd2 scanner I got these codes:
-P0449 Evaporative Emission Control System Vent Valve/Solenoid Circuit Malfunction
-P0455 Evaporative Emission Control System Leak Detected (gross leak)
Where should I start to try to fix this I have read and studied for a while even changed the purge valve and reset it but it came back on . Thanks in Advance.
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