Im still kind of iffy about the louder whistle though I have looked everywhere i could think of but couldnt figure it out! idk if the wastegate could have something to do with it or not! remember i put a boost valve on it a while back!
Dont know what happened someone explain?
- Thread starter motoking_1990
- Start date
Don't understand the low egt's though.
On a Dmax, almost everything is based off of fuel supply! Boost is directly related to fueling, Allison shifts based off of fuel quantities "torque".... There is no external lift pump to supply the CP3, so the CP3 has to pull fuel from the tank, thru the filter housing before it even gets to the CP3 to get pressurized. The ECM is going to make all the adjustments it can to keep the truck running down the road, with the fuel the CP3 is able to pull out of the tank, eventually it throw a code and you will not be able to accelerate over 1800 rpm, if there is a restriction. IE: Demand more rail pressure to compensate for the lack of fuel; the Injection process it what gives a diesel its "tick", so more rail pressure means louder "tick".
Change the fuel filter! Its a $45 fix that is not wasted, and if it fixes it, it would have saved you alot of work. If it doesnt then you can start wondering what the deal is.
No seriously, change the dang filter...
Caleb
Change the fuel filter! Its a $45 fix that is not wasted, and if it fixes it, it would have saved you alot of work. If it doesnt then you can start wondering what the deal is.
No seriously, change the dang filter...
Caleb
I know how these motors work! I agree with changing the filter, hopefully it fixes it. Just trying to help here. Motoking sorry if I wasted your time.
You didnt waste my time. lol I got a nice polish on my ic tubes in the process so its all good! :thumb:
I was refering to the post above mine that didn't say anything about the turbo whine only that it was ticking low power etc with no boost leaks and no shaft play
Sent from my DROIDX
Sent from my DROIDX
I replaced the fuel filter yesterday! And the egts went up and they are still cooler than what they were when I got the truck! I mean I'm not complaining about lower egts but when they get lower and I didn't do anything performance wise to make them lower it tends to bother me! The power came back and the tranny quit slipping when I changed the filter but the loud whistle and the loud ticking is still present. Someone told me than there could be a possibility that the waste gate could be stuck open just a little but I would think it would run higher egts and it doesn't boost all the way to 30 like it used to it only boosts to about 25 when I'm on it Idk anymore lol