Derate because of egt sensors?

[6fodays]

Okay, i just installed a single turbo on my 6.4. I only am running a downpipe because my old exhaust wouldnt line up. Engine wont go over 2k rpm even at wot. I pulled a code c222 or something of that nature...tuner is an sct livewire, one of the older ones. Im running idp custom tune. Thanks


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[6fodays]

Okay just pulled p179a and p0000 any help????


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[DEEZUZ]

Yes, those need to be reading or be 'dealt' with

 

[6fodays]

I have them plugged in. Just no exhaust going to them at the moment, what do you mean by "dealt with"


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[DEEZUZ]

They need to be reading temps.

Tuned out is what I mean

 

[6fodays]

Alright im loading a canned tune with egt set to off, see if that works


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[6fodays]

Okay, it just clicked with me, my sensors aren't even in my exhaust they are zip tied up what now?


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[SDS97_7.3]

With Sct they just need to be plugged in.

 

[6fodays]

They are plugged in, what could be causing it?


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[6fodays]

Loaded canned tune, feels more peppy, could the actuator cause this?


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[6fodays]

Pulled my codes again, just a bunch of codes for egr and vgt and lpfp (im running an air dog) should the truck run okay without the vgt actuator?


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[6fodays]

Bump, anyone know if the vgt actuator would cause it to have low power? Still waiting on my custom tunes at the moment


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[lazlow]

Bump, anyone know if the vgt actuator would cause it to have low power? Still waiting on my custom tunes at the moment


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Mine ran fine with basic H&S tunes without the VGT disabled. Just throws a check engine light for it not being plugged in. A single tune will run better but it def made power. What turbo setup you running?

 

[6fodays]

Mine ran fine with basic H&S tunes without the VGT disabled. Just throws a check engine light for it not being plugged in. A single tune will run better but it def made power.

I think it may be because mine is an sct. Same way with the egt problem only being an issue with sct. But my custom tunes came in so im gonna try them in the morning


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[sootie]

all the sensors in the exhaust must be connected to the factory harness when tuning with SCT. That is why it is way easier to use H&S for the 6.4 platform...