2001 Ford F-150

Engine Performance problem
2001 Ford F150 V8 Four Wheel Drive Automatic

Have a 2001 ford f150 5.4l v8 4wd, took the truck in for replacement of cop, replaced 2 was told I also needed to replace pcm due to it leaving valve open which dumps unburnt fuel into CC. Does this sound reasonable have replaced a couple of cop's over the years, and if so can I use an aftermarket power controller like the Jet brand or do I need to replace the cmp, and then buy the jet module.

Thanks guys have a great day
January 5, 2009.

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