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engine failed

  1. 2018 RS two engines blown under 5k need some insight or help

    Focus RS TroubleShooting
    Hey everyone, I just bought 2018 RS with under 5k used. I drove it for 7 days and original engine failed there was a hole in the block. Mods Mountune intercooler/hoses upgrade, Mountune intake and unknown tune. Ford replaces the engine and told me they would not replace another unless I return...
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