Remove 2004 Remove Emissions Testing Remove IT
article thumbnail

The Ultimate Guide to 6.6L Duramax EGR Delete Kit Costs

Auto Service World

This system helps reduce nitrogen oxide (NOx) emissions by recirculating a portion of exhaust gasses back into the engine’s intake manifold. It works by cooling the exhaust gasses and mixing them back with the fresh air intake to lower the combustion temperature, thereby reducing NOx emissions. Dynovox 2004-2005 6.6L

article thumbnail

Diesel Emissions of Passenger Cars

Hollenshades Auto Service

Presently, the main driving standard for emissions output by vehicle powertrains are the US EPA Tier 2 and California LEV-II ULEV regulations. In 1999, the US EPA announced new Tier 2 NOx limits of 0.07gm per mile to replace the existing Tier 1 limits of 1.0gm per mile that were phased in from 2004 to 2009.

Car 52