2015 prostar isx15 cm2350 fault code 2754

[Jrb8816]

(03-05-2025 )Rawze Wrote:  first of all, the DOC --AND-- the DPF, BOTH should have been removed and professionally cleaned with proper machinery at a certified stealers%it. This means baked, de-ashed, and flow tested on proper OEM approved machinery (and no fluids used for the cleaning process).

An SCR inspection done to ensure it was not sooty, cracked, or clogged.

A decomp tube inspection done to ensure there is not a 'Volcano' built up in it...
info: http://rawze.com/forums/showthread.php?t...07#pid1807



-- Ensure that the exhaust system is not clogged up anywhere, otherwise. Dead squirrel in the bottom of the stack,etc. .. a person never knows ... I have seen stranger things.

-- During all of this maintenance, you should also have done a thorough EGR tune-up where you replace the IMAP and other EGR sensors, remove and clean out the EGR Delta-P sensor block, replace the Delta-P sensor with a new one, and clean out the piping, etc. to go with it all. It is the ENGINE that creates dpf issues.. not the dpf itself.

A 'dpf replacement procedure' performed in Insite after everything is all nice and clean, etc. and re-installed, everything was put back together.

and instead of that completely useless 'injector performance test' which has never done anybody any good at all.. you should have done an injector leak-down test.. exactly like this article/video shows.. and ensure it passes it with flying colors. I.E.> Starting at 29,000 psi. it still being higher than 25,000 PSI after 60-seconds of key-off.
info: http://rawze.com/forums/showthread.php?t...3#pid75483


anything less, and you get less results. Don't give your engine an excuse to fail and/or act up,.. and it typically does not as a result.

all of those things have been done already except for replacing all the sensors. all egr components were removed and cleaned. dpf was sent out and cleaned professionally along with being flow tested. the decomp tube didnt have any build up and scr had been removed and inspected. the doc was replaced with new because it had some damage and was questionable. ill look for the egr tune up info. thanks