[Vwdiesel] EGR valve started stock when?

dieseltdi at verizon.net dieseltdi at verizon.net
Wed Jul 25 21:55:25 EDT 2007

Actually, I believe that some of the late Eco diesels had EGR but for  
certain the 1.9 AAZ had then in the 90's (engines we did not get in  
this country).  Much cruder than the ones on the engines today but  
the same basic concept.  Recycle some exhaust back into the  
combustion chambers to be reburned and to lower the nitrogen content  
of the combustion gases.  Lower NOx, less air pollution specifically  
ozone.  The AAZ that is sitting in my garage awaiting its  
installation into my Westy has EGR and it is from a 93.  Hayden
On Jul 25, 2007, at 7:12 PM, LBaird119 at aol.com wrote:

> In a message dated 7/25/2007 1:51:58 PM Pacific Daylight Time,
> biovolks at yahoo.com writes:
>> I had been told in the past that diesels don't have EGR valves,  
>> that's
>> partly what threw me off a bit.
>>  What year did they start putting them in to the diesel Jettas?
>   Saw my first one in the Fall of '82 on a GM.  I think they started
> on VW with the TDI.
>      Loren
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