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  1. 2013 FX4 EcoBoost with hard brake pedal issues.

    F150 Ecoboost Problems
    So I just noticed this issue this weekend. I've had the truck about 2 weeks. I've racked my brain and can't pinpoint the issue, so on to the problem and hopefully a solution: when the engine is running and in park, I can pump the brake pedal and it'll stiffen up as if the engine is off. If I rev...