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Arghhh. P00456 or 000456 code.

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Old 02-03-2024, 09:15 PM
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RAudi Driver
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Default Arghhh. P00456 or 000456 code.

Just got a code the other day and ran diag today and this is it. Removed my gas cap and retightened it, 3 clicks.

If it’s not that, can any of the members guide me in a direction that may fix it?



Old 02-03-2024, 09:37 PM
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Wonderdan
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Originally Posted by RAudi Driver
Just got a code the other day and ran diag today and this is it. Removed my gas cap and retightened it, 3 clicks.

If it’s not that, can any of the members guide me in a direction that may fix it?

I know stupid question but did you clear it after you re-tightened? The evap reset on its own is annoying to trigger.
Old 02-03-2024, 11:18 PM
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JpCrp
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If you've cleared it and it comes back it could be a few things, did you check the rubber seal in the gas cap isn't deteriorated? I had this code keep coming up but it hasn't came back after i replaced the gas cap.

Last edited by JpCrp; 02-03-2024 at 11:22 PM.
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Old 02-04-2024, 02:03 PM
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RAudi Driver
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Ordering a new cap today. Thanks JpCrp!

Last edited by RAudi Driver; 02-04-2024 at 02:04 PM.
Old 02-04-2024, 02:12 PM
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Bxstr
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Here's the gas cap part number in case you need it: 99620124103

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