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  1. 911 Problems Forum
    Installed s&b CAI on 2021 chevy silverado 2500hd 6.6 Duramax. Disabled air filter as stated in message bar and has thrown a po26c code twice. Any1 else experience this issue or know how to get it corrected? Installed with 750 miles on truck and came on about 800 miles, cleared it and now its...
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