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International Automotive Technicians Network
Re: Do Cold Engines Produce Significant NOx?
Posted to Technical Theory Forum on 4/27/2005 4 Replies

Hi Randy,

I observed EGR operation on a 95 Windstar during warmup.

Also I have shown you several later model vehicles using EGR immediately after startup, including several Nissan and GM vehicles. It appears that this is prevalent.

Rags Login to read more.

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