i have a 2000 7.3 it seems to be losing power i have k+n fipk 4 to 5 cat back exhaust bullydog powerpup a pillar gague set with pyro boost and trans temp i use the truck everyday it does not blow black clouds like my friends that have the edge evo the motor seems to be rough when you go from coasting to stepping on it also sometimes when you first start it if you dont wait awhile it wont rev up you can push the pedal to the floor and no response i replaced the pedal and it didnt help
Is it possible the valve in the exhaust system that helps warm the engine up by restricting the engine (it makes the engine work harder in order to bring temp up) is stuck?
oil was just changed about 500 mi ago new fuel filter as well k+n needs cleaning but its not that bad this started last winter when i used mobil 1 syn in it i checked the codes on 9/30 there was no codes at this time when i had the syn oil i noticed a pool of oil between the heads in the valley since i went back to regular oil it seems to have stopped leaking and has regained some power also cps was replaced 7/06 from international dealer
I've heard once you use synthetic you can't go back because the synthetic coats the cylinder walls and when you go back to regular oil it can't get pass the synthetic coat causing no lubrication.
i noticed a pool of oil between the heads in the valley
sounds like you have a leaking HPOP (high pressure oil pump)...witch is what the injectors need to open....(high pressured oil).....if the injector dosnt open, or open all teh way, your not getting enough fuel...and that will give you the loss of power.
In my opinion i would check oil level and also double check to make sure that HPOP isnt leaking.
i borrowed my friends edge evo my truck now goes like his used to so i would say that the bully dog was the trouble. i guess its time to order my new dp tuner.
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