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Q:

i just purchased a 1997 ford f150 with the 5.4 triton on 1997 Ford F-150

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
and bringing it home it started loosing acceleration and started jolting and chugging badly it did it worse going up hill it seems to be firing on 4 cyl it seems like check engine light flashes 3 times and stays on any ideas
(1) Answer
start with new ignition system(new ignition cables, new spark plugs). actually first have fuel filter pulled and see if any water in fuel.