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Power Strokes
6.4 Aftermarket
Canadian play/drag truck build
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[QUOTE="AirFishAutomotive, post: 997167, member: 3497"] Ive had 4 hpfp failures in personal trucks. With any custom tunes I would not get any codes either. What mine did was they would make the truck surge and then the idle would sound like a big block with a huge cam. The next one seemed to have no power at all and when monitoring rp it would bounce around almost 2-3k while driving Another one was running fine and did the exact same thing as you are describing, smoke etc. Sounded like an injector letting go at first with a bad miss. Truck eventually died in our parking lot.It would crank and do nothing, never try to fire etc. Put it on a scanner and it had hardly any frp while cranking. The last and most recent one would idle and have a slight studder bouncing about 1000 rpm and would break up when it was under a load and almost made the truck feel like it trans was shift flaring. Im sure there are a lot of opinions but what I regret the most is when I had the first hpfp go out I did not replace the injectors. I feel like that not replacing injectors let the material stay in the injectors thus repeating a cycle of there always being metal in the fuel system, and it eventually ended up knocking out another hpfp in less then 1k miles. Most definitely replace injectors if you do the hpfp [/QUOTE]
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