Thread: P0446 code

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  1. #1 P0446 code 
    GT Level Member willie14's Avatar
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    So I just got this EVAP vent circuit control code but am having no issues with the car. I'm not tring to spend 200$ on a dealer part to fix this but doesn't this mean that it could just be clogged and needs to be cleaned out? Where should i start first?....
    98 Grand prix SE to GTP conversion( in works). Full body conversion in works, drilled n slotted rotors, ceramics, all new suspension, custom CAI, NGK wires/Vpower plugs, SD headers, 180 Tstat, AND A WHOLE BUNCH OF PAINT BABY!! Tuned by E&J performance.
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  2. #2 Re: P0446 code 
    Killa Bee Scottydoggs's Avatar
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    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  3. #3 Re: P0446 code 
    GT Level Member willie14's Avatar
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    Yea I read up on it already, just curious as to what everyone else has done to fix it...
    98 Grand prix SE to GTP conversion( in works). Full body conversion in works, drilled n slotted rotors, ceramics, all new suspension, custom CAI, NGK wires/Vpower plugs, SD headers, 180 Tstat, AND A WHOLE BUNCH OF PAINT BABY!! Tuned by E&J performance.
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  4. #4 Re: P0446 code 
    Killa Bee Scottydoggs's Avatar
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    you follow what the codes says.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  5. #5 Re: P0446 code 
    GTX Level Member QUICKSILVER462's Avatar
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    I just replaced my vent valve with a new one from RockAuto, however you may be able to get by with just a cleaning. They tend to get filled with dirt and dust, there is a small foam filter inside that can get plugged up with dirt.
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  6. #6 Re: P0446 code 
    GT Level Member willie14's Avatar
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    How much u pay for it?
    98 Grand prix SE to GTP conversion( in works). Full body conversion in works, drilled n slotted rotors, ceramics, all new suspension, custom CAI, NGK wires/Vpower plugs, SD headers, 180 Tstat, AND A WHOLE BUNCH OF PAINT BABY!! Tuned by E&J performance.
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  7. #7 Re: P0446 code 
    GTX Level Member QUICKSILVER462's Avatar
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    It was around $24, but before you buy any parts, make sure all the wiring has continuity, and all the connections are good.
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  8. #8 Re: P0446 code 
    GT Level Member willie14's Avatar
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    I'm still NA for the time being. Is the vent valve directly behind the UIM or is it in the drive side fender?
    98 Grand prix SE to GTP conversion( in works). Full body conversion in works, drilled n slotted rotors, ceramics, all new suspension, custom CAI, NGK wires/Vpower plugs, SD headers, 180 Tstat, AND A WHOLE BUNCH OF PAINT BABY!! Tuned by E&J performance.
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  9. #9 Re: P0446 code 
    Killa Bee Scottydoggs's Avatar
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    vent valve is on top the canister under the gas filler neck.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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  10. #10 Re: P0446 code 
    GT Level Member willie14's Avatar
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    Ight well I got monday off so ill try n see if I can figure it out then and update. So to be clear then its back under on the back side of my rear quarter panel? I can access it from underneath the trunk area or can I get to it from the trunk?
    98 Grand prix SE to GTP conversion( in works). Full body conversion in works, drilled n slotted rotors, ceramics, all new suspension, custom CAI, NGK wires/Vpower plugs, SD headers, 180 Tstat, AND A WHOLE BUNCH OF PAINT BABY!! Tuned by E&J performance.
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  11. #11 Re: P0446 code 
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    Lay behind your rear driver side tire and look up. Just take it out and clean the crap.out of the whole thing.
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  12. #12 Re: P0446 code 
    GT Level Member willie14's Avatar
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    Ok no doubt. I'll update Monday...
    98 Grand prix SE to GTP conversion( in works). Full body conversion in works, drilled n slotted rotors, ceramics, all new suspension, custom CAI, NGK wires/Vpower plugs, SD headers, 180 Tstat, AND A WHOLE BUNCH OF PAINT BABY!! Tuned by E&J performance.
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  13. #13 Re: P0446 code 
    GT Level Member willie14's Avatar
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    So I know I was supposed to update, but I've been busy trin to prep all my body parts for the conversion to paint. Anyways its been a bit since I cleared the code and it hasn't come back yet so maybe I'm good? I never did get around to cleaning the vent valve yet but will do so soon. Good bye ugly old SE, HELLO custom JOB
    98 Grand prix SE to GTP conversion( in works). Full body conversion in works, drilled n slotted rotors, ceramics, all new suspension, custom CAI, NGK wires/Vpower plugs, SD headers, 180 Tstat, AND A WHOLE BUNCH OF PAINT BABY!! Tuned by E&J performance.
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  14. #14 Re: P0446 code 
    Donating User Swiggles's Avatar
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    It's can 2-300 miles for it set the code again. You might get lucky though and it might not come back for a few months.
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  15. #15 Re: P0446 code 
    GT Level Member willie14's Avatar
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    Yea I mean I figured I prob wasn't in the clear completely, but I figured I was good enough for now to focus on something else. I'm trin to do like 50 different things on this car at the same time and with a limited budget now and my crazy work schedule as of lately I try n focus as much time as I can finishing the car
    98 Grand prix SE to GTP conversion( in works). Full body conversion in works, drilled n slotted rotors, ceramics, all new suspension, custom CAI, NGK wires/Vpower plugs, SD headers, 180 Tstat, AND A WHOLE BUNCH OF PAINT BABY!! Tuned by E&J performance.
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