Egr question

[califxr]

Ive been looking at utube videos doing research on egr options for my 2010 Lmm. I learned one thing, I dont want all the soot in my engine. I thought of one option that has t been addresses that I can find. Cant we just deactivate the actuator somehow. Make it stuck closed somehow. Forgive my ignorance as Im pretty new to this. I really dont understand. I was there was a drawing or something that shows how all this crap is laid out and how it works. Ps Ive done the pcv reroute.

 

[PureHybrid]

Yes, you can just turn it all off, but under higher boost levels the exhaust back pressure will force the valve open. That's why guys run blocker plates at a minimum.

 

[califxr]

will installing a blocker plate cause an engine light. Will the truck still pass a smog inspection. Is there someone on this site in LA area I can talk to? Is there some diagrams that illistrate how the egr system works... I appreciate the help. I just want to learn about my truck and make it run correctly and last a long time

 

[TROJAN366]

regardless of how you choose to have the egr "shut off" it will require some type of tuning or a finger sick at minimum.

 

[PureHybrid]

Truck should pass a visual inspection, as the EGR system will still be in place.

x2 on the fingerstick. You can hide the wiring pretty easy, and will enable you to run a 100% stock tune.

 

[califxr]

Are u saying With an egr block off plate ecm will know something is wrong and trigger a code or check engine light.

 

[PureHybrid]

Yes, the MAF rate changes when egr is commanded open. It may not trip a light right away, but eventually will.

 

[califxr]

I might be stuck with that crap.....

 

[D_R_C]

Fingers stick not available for LMM and newer Duramax.
Thru tuning is the only option, and that option is getting to be slim pickens.

 

[wilrob]

I have the EGR blocked, and tuned with EFI to prevent any codes. You would have to purposefully be looking for the blocker plate to know it was there. I plan to run my #1 tune which is optimized stock, and swap the DPF and CAT back on when I go through emissions again, not anticipating any problems.

 

[Josh154]

You could always trim the tab off the blocker plate as well and it would be even harder to tell if it was blocked

 

[wilrob]

You could always trim the tab off the blocker plate as well and it would be even harder to tell if it was blocked

Josh I noticed in your sig that you have an EGR delete and a blocker plate? Do you just have the blocker on the up-pipe?

 

[Josh154]

Oops I need to update that. I was just running a blocker plate off the up pipe riser before. When I did my new turbo I completely eliminated the egr cooler and did new up pipes and cold side pipe.

 

[wilrob]

Ah gotcha. I thought somehow you found a way to mate the EGR cooler to an aftermarket intake pipe which would be sweet for visual emissions inspections