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International DLB disable regen and DEF warning indicators.
Sometimes after delete, the regen light andamp; DEF gauge will blink (be turned on) or You will have some codes in...
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Our ECM tuning will allow you to block off EGR valve and unplug all EGR sensors.
Keep in mind that along with EGR delete, we must delete all the filters on exhaust (DPF DOC SCR), and DEF if the vehicle is equipped with it.
All our Cummins EGR delete tunes come with a fleet safe power upgrade.
This upgrade will provide You the best fuel economy.
Work that needs to be done:
The basic principle for blocking off EGR is the same on all engines.
EGR has to be blocked with steel plates on both cold andamp; hot side.
1st block off plate goes on position where EGR manifold meets exhaust manifold.
2nd block off plate goes on position where EGR manifold meets intake manifold.
The reason we recommend blocking off EGR on both sides, is because that way engine will run the best.
Once You block off intake(cold) side, your intake manifold air volume andamp; geometry will not be messed by EGR tubing.
There will be no chance of sucking air from EGR manifold, and that way causing an air leak.
Same thing is for exhaust(hot) side, your exhaust manifold geometry will be again according to factory spec.
Here is an example of the EGR's hot side plate position.
The photo is taken on CM2250/CM2350/CM2350A X15 ISX, but all other Cummins engines (CM871, CM2150D, ISL, ISC, ISB, ISM) are similar.
Cummins EGR block off - hot side.
Cummins CM2250/CM2350/CM2350A X15 exhaust side block off plate location
Here is an example of the EGR's cold side(intake) plate position.
The photo is taken on CM2250/CM2350/CM2350A X15ISX, but all other Cummins engines are similar.
Cummins EGR block off - cold side.
Cummins CM2250/CM2350/CM2350A X15 intake side block off plate location
Next thing to do is unplugging EGR valve's electrical connector.
Again, this photo below is from CM2250/CM2350, but all other engines are similar.
Cummins CM2250/CM2350/X15 EGR valve location
Cummins CM2250/CM2350/X15 EGR valve electrical connector location
Now we need to unplug EGR sensors.
There are two types of sensors we need to unplug:
EGR differential pressure
EGR temperature sensor
Below are the photos of EGR sensor's locations on CM2250/CM2350/CM2350A X15 ISX.
Cummins CM2250/CM2350 EGR differential pressure sensor location - delete.
Cummins CM2250/CM2350/X15 EGR differential pressure sensor location