Aston Martin DB7, DB9, DBS, Vantage V8, Vanquish, and Classic models

EGR delete

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Old Apr 29, 2018 | 04:41 AM
  #31  
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Thanks for the data.
If I read the table correct, then there is EGR is ONLY active from idle to 3000 rpm when the load (TQ) is below 267NM.
Above 3100 rpm and/or TQ>267 NM the is NO active EGR.
That somewhat makes sense, because the emissions will be measured at low power/rpm usually.
 
Old Apr 29, 2018 | 02:15 PM
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Yes, not at idle but active at part throttle closed loop operation. Has no effect during aggressive driving.
 
Old Feb 21, 2019 | 08:39 AM
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Originally Posted by telum01
I've done it on a few other cars, and thought about doing it a while back on my '07 just to simplify things. Mechanically it should be super easy to do: pull out the EGR module and tube to the exhaust manifold. Fab a delete plate for the EGR-to-intake manifold opening and another for the tube-to-exhaust manifold opening. So long as it's tuned for it, it shouldn't be a problem. Not sure if the system can detect the missing EGR module itself (if so, you might need a resistor plugged into the wiring harness where the EGR module plugs in). Easy test would be to unplug the wiring harness to the EGR module and see if your car throws a new code for that.
With the V-Tech ECU Tune I ask for the EGR delete : can I pull out the EGR module (and Fab a delete plate for the EGR-to-intake manifold opening) without any default on the dash board ?
 
Old Feb 21, 2019 | 10:33 AM
  #34  
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Originally Posted by bunob
With the V-Tech ECU Tune I ask for the EGR delete : can I pull out the EGR module (and Fab a delete plate for the EGR-to-intake manifold opening) without any default on the dash board ?
You don't need to pull the EGR module out, just blank it off with a 22mm threaded hex cap screw. We can code it out.

 
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Old Feb 22, 2019 | 01:08 AM
  #35  
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Thanks Stuart,

I've the ECU Tune with EGR delete and I've installed a plug but I need to remove the EGR and I want to know if I have a fault code or a warning light.

Thanks
 
Old Feb 22, 2019 | 09:25 AM
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Originally Posted by bunob
Thanks Stuart,

I've the ECU Tune with EGR delete and I've installed a plug but I need to remove the EGR and I want to know if I have a fault code or a warning light.

Thanks
AFAIK you can completely remove the EGR system and use a blank plate to seal the opening. The EGR delete tune will prevent any warning lights.
 
Old Feb 22, 2019 | 10:08 AM
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Originally Posted by bunob
Thanks Stuart,

I've the ECU Tune with EGR delete and I've installed a plug but I need to remove the EGR and I want to know if I have a fault code or a warning light.

Thanks
Not sure I understand 'remove the EGR' - you are talking about blanking off the hole on the headers?
 
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Old Feb 23, 2019 | 03:08 AM
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This is what I want to do...
 
Old Feb 24, 2019 | 11:56 AM
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Originally Posted by bunob

This is what I want to do...
So, if you have our Gen 1 headers, they do include the take off point for EGR on the headers. Our Gen 2 headers delete this entirely. Blanking off the port on the header, and inserting a bung into the hole on the EGR will disable the system, and if you have our ECU Tuning set up for this, will not throw any DTC codes. There's no need to remove the actual EGR unit from the engine.
 
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Old Feb 27, 2019 | 12:22 PM
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Of, course you could always put a catch can in the car, that would solve almost all the problems associated w/EGR's.
 
Old Feb 28, 2019 | 03:57 AM
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What does DPFE mean?



 
Old Feb 28, 2019 | 01:11 PM
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Originally Posted by bunob
What does DPFE mean?

Delta Pressure Feedback Exhaust
Monitors EGR flow
 
Old Feb 28, 2019 | 01:55 PM
  #43  
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Thanks !
 
Old Mar 11, 2019 | 09:55 AM
  #44  
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I want to do as Richard :
1 - Delete EGR
2 - Delete the AOS and install a oil catch can (like the GT4)

 

Last edited by bunob; Mar 11, 2019 at 09:57 AM.
Old Mar 13, 2019 | 10:12 AM
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Originally Posted by bunob
I want to do as Richard :
1 - Delete EGR
2 - Delete the AOS and install a oil catch can (like the GT4)
I have no issues with deleting the EGR, but I would keep the AOS while installing a catch can.
My 2 cents

 


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