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2.9 curse

  1. Ford 2.9 Weird unexplained issue

    Hello ranger station i recently bought a 1988 bronco ii 2.9 5 speed that had been running like crap, My issue is when warm my truck idle surges at around 400-550 sometimes if i give it throttle it will go back to 900. (this sucks when driving in town and stop and go traffic on hills) it feels...