Manually Cycling EGR Valve

[sjl2725]

I asked this within another discussion (attempted hijack!) but never got any replies.

Instead of lowering tunes once a month (?) to cycle the EGR Valve, could I rig up a toggle switch of some sort to activate it periodically?

I don't know the EGR Valve works for sure, I'm asssuming a DC actuator, and don't know if it has wiring to read actual valve position (feedback).

Anyone ever consider this? It would REALLY save alot of messing around with tunes, tranny relearn, etc.

[sjl2725]

No thoughts?

[JUGGS]

I'm a diesel noob so please forgive the dumb question. I'm curious why you need to cycle the EGR monthly? I've had my EGR turned off via my SCT tuner for a couple of weeks now and this is first I've heard of needing to cycle EGR periodically.

[sjl2725]

It'll get soot build up on it and basically freeze shut it you don't work it occasionally. So if you ever HAVE TO go back to stock, you'll get a Check Engine Light cuz it won't work.

[JUGGS]

Well that makes sense. More sense than having the damn thing in the first place.

[LFD132]

I know the KEM tunes cycle the egr on start up. Not sure about the H&s tunes.

[sjl2725]

Yeah, some Spratan tunes cycle at idle too. I just happen to run the 275 which doesn't cycle at all. So rather than having to load a tune that cycles on occasion, I'd like to just be able to excersize the components when its convenient; like a couple times a week at a long stop light or something.

[drservo]

Originally Posted by LFD132

I know the KEM tunes cycle the egr on start up. Not sure about the H&s tunes.

Are you sure about that?

[bman848]

Originally Posted by drservo

Are you sure about that?

I just Emailed Mike at KEM and asked him about this.
I just loaded a custom KEM tune to my truck last week and am curios about this. I will post up when he responds to me.

[Dim Sum]

I emailed Casey at H&S and he says the 6.4 will cycle on start up as well.