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  1. ('14-'18) 2015 - Acceleration lag?

    Problems, Maintenance, and Warranty
    My Forester xt has had issues with an acceleration lag typically in the 1500-2000 rpm, usually going uphill or accelerating from a stop. It has been getting worse lately to the point where I floored the gas pedal and could not accelerate past 40mph while trying to merge onto a highway. I was...