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  1. P0172 code and misfire when first starting up

    General Maintenance, Troubleshooting & Accidents.
    Hey everyone I have a 2010 STI hatch and recently it got a code for a P0172 System to Rich, and when I first start it up it starts to misfire but goes away after idling for awhile, then when around 3500 rpm it sputters anyone have any ideas on what it could be? Thanks for your help
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