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  1. 2018 Check Engine Light - Email From GM States Emissions Failure

    Chevy Impala 8th Gen Discussion
    HELP! I have a 2018 Impala LT and the check engine light came on recently at 44,000 miles. I received an email from Onstar that it is an emissions problem. I bought the car certified which I thought added an additional 12,000 warranty from the 36,000 manufacturers warranty. Any others having...