The2009+ Jetta, Golf diesel, and Audi A3 TDI have a more complicated EGR system. The low pressure EGR gasses are filtered before being sent through the cooler and back into the intake. The high pressure gasses go straight from the exhaust manifold to the EGR valve and into the intake.
TDI2002 Bug TDI, 2006 Jetta TDI, 2013 Touareg TDI, 2001 Cummins, 2006 Cummins, 2013 Duramax, 2018 f250 Feb 19, 2018 Thinking Malone stage 2 with EGR delete, DPF delete and larger down pipes. Going to have to find an A7 TDI downpipe though . H. hwork1 Well-known member. Joined Mar 26, 2008 Location
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1.9 tdi egr delete pros and cons