code is it po449 or p0449 silverado 2006 1500 flex

Discussion in 'General Chevy & GM Tech Questions' started by rf58, Jul 24, 2011.

  1. rf58

    rf58 Member

    i took the canister/ solenoid behind the tan off cleaned it not to dirty
    turned the key of and on 13 times light is still on. and what is that big canister this is hooked up to
    someone said it is because the tank is overfilled tomany times . i have done that.
     

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