EGR block off plate for '91 CQ

[John Larson]

On 4/14/2014 3:26 AM, Christopher Gharibo wrote:
> What's the purpose of an EGR block off plate for '91 CQ?
>
> http://store.034motorsport.com/products/engine-components/audi-i5/20v/egr-blockoff-plate-audi-7a-ng-aah.html
It's used to block the EGR valve port in the intake manifold on cars 
that are EGR equipped.  Generally speaking, EGR systems are used to 
control combustion temperatures (reducing NOx), and are an integral part 
of the FI/induction system.

John