06-06-2014, 12:18 PM
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#1 (permalink)
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Base Member
Join Date: May 2014
Location: SouthEast Michigan
Posts: 8
Drives: 2004 SVT Focus
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Quote:
Originally Posted by 2011 Nismo#91
EGR is the root of the problems, and will be in more and more modern gasoline cars to reduce emissions and meet new federal mandates. Diesel engines have had EGRs for much longer because of their pollution issues, I have read/watched alot about the ford truck diesels and their issues. The solution to the carbon issues in diesels has been to just disable the EGR, install an oil catch can for the PCV, and mod the ecu. This won't pass an emissions check but it will keep the motor reliable. The other option is to inspect and service the EGR system early and often.
https://www.google.com/url?sa=t&rct=...68235269,d.b2k
I hope that link works, youtube blocked here@work. |
I'm not sure how accurate that statement is. EGR has been around a while now, and - at least in ford vehicles - is now being largely phased out in favor of systems that utilize variable timings in both intake and exhaust, as well as Direct Injection. In many of those applications, emissions were lowered enough that EGR was not needed at all in order to pass emissions testing. Add mild boost on top of that (as with Ford's EcoBoost line) and emissions are cleaner still.
EGR IS a large part of the problem on vehicles that still have it, but I believe we'll be seeing it less in future engine designs while companies perfect the ability to leverage DI more efficiently, and hopefully with greatly reduced carbon buildup.
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