VW / Seat / Audi / Skoda 1.9tdi EGR valve cleaning (without removing)

Cleaning EGR valve without dismantling on 2005 1.9tdi 150 pd Seat Leon FR mk1. Identical or similar procedure on all VAG VW Golf, polo, passat / Audi a3/ Skoda / Seat 1.9 tdi engines. We used Wynns Diesel EGR Cleaner. Leads to smoother running engine, more power, better fuel economy. See also my video on how to dismantle, clean and reassemble 1.9 tdi EGR valves: • VW / Audi / Seat / Sko... Also check out my easy EGR delete trick: • Easy 1.9tdi EGR Delete...