egr delete

[genpk]

Anyone know if you get an egr delete done, do they blank off the egr and switch off the egr in the ecu or just switch it off via the ecu?

[Mousie]

Switch off EGR by by software only. In the map file just replace with Null (Zero) so the EGR never opens in my case. I had inserted a blank on inlet and then blanked off the coolant flow to be sure no leaks future proof. Tried to removed the lot but the front wiring to valve motor when disconnected throws codes so the ECU is still monitoring it. Hope this helps.

[genpk]

Originally Posted by Mousie

Switch off EGR by by software only. In the map file just replace with Null (Zero) so the EGR never opens in my case. I had inserted a blank on inlet and then blanked off the coolant flow to be sure no leaks future proof. Tried to removed the lot but the front wiring to valve motor when disconnected throws codes so the ECU is still monitoring it. Hope this helps.

Did you switch it off yourself using a program or get it done by somone?
I see you can buy blanking plates online.

[Mousie]

Just bought the Murchinson's ECU remap as comes with the EGR turn off. The EGR turn off was more important to me than tune at the time. I just made my blank plate for EGR stainless tube at the EGR outlet to ensure a full seal and then had to replace the coolant hose. So ended up blanking both sides of EGR coolant lines to rid of another remote fail point with leaking cooler seals (which I had as well). Tried to remove the whole lot but then discovered the ECU continues to monitor so left it all there as no harm either way. Kept the few parts to restore if ever needed. Not to hard as it sits at the top of the motor.

[Robbo1]

Does blocking the cooling hoses, cause the EGR manifold to run hot ?

Or does the blanking plate stop the hot gases from getting that far ?

I had also heard the EGR and DPF deletes have to be done together but I'm curious if the EGR can be done by itself ?

Would be a good opportunity to clean out the inlet manifold and then know it will stay clean.

Thanks in advance

[Mousie]

Most tunes do EGR delete as this is where some or most of the performance gains come from. As the EGR is off permanently, no need for any cooling which removes another few coolant leak points which I had as well. I did my own inlet removal and valley hose at the same time so made sense if going back on clean and fresh, it would stay that way. A tune is cheaper than a broken swirl motor and another remote engine fail point potential. Murchinson’s mandate a catch can given the extra blow by and they are not wrong here. Most tunes do not include DPF. EGR is a tad naughty but DPF is frowned upon. Seriously no need to even consider DPF as not a trouble point with proper oil and usage. The blanking plate was not needed but I don’t trust exhaust side valves so slim blank inserted to be 100% sure. Pretty sure I did some posts on EGR mild tear down as well.

[drover]

I would like the Murchison remap but $1300 is a big wall to climb for me.......... pity the EGR delete isn't a simple thing of fitting a couple of diodes like the WG Merc Diesel, that cost me $4 ................