Fredfocus Posted October 10 Share Posted October 10 Good evening, does anybody know what the vacuum unit under the EGR valve Does on a 2011 titanium TDI 1.6. Thanks in advance Quote Link to comment Share on other sites More sharing options...
TomsFocus Posted October 10 Share Posted October 10 Assuming it's a Mk3, that's the EGR cooler bypass valve. It's a small butterfly valve that normally allows EGR gas to be circulated through the cooler, but can be closed to allow the gas the bypass the cooler altogether when needed, helps with a quicker warm up for example. 1 Quote Link to comment Share on other sites More sharing options...
Fredfocus Posted October 10 Author Share Posted October 10 Thanks for getting back so quick, I don’t think it operates a butterfly valve on the end of the vacuum actuator lever. There is like a little pick up which sits underneath a sensor, if that makes any sense Quote Link to comment Share on other sites More sharing options...
unofix Posted October 10 Share Posted October 10 Just now, Fredfocus said: There is like a little pick up which sits underneath a sensor, if that makes any sense Post some photos👍 Quote Link to comment Share on other sites More sharing options...
Fredfocus Posted October 10 Author Share Posted October 10 You can see the vacuum unit underneath the electrical plug for the EGR, then at the other end of the actuator lever there is a pivot point which moves well I would call a pick up, the pick up is currently sitting under a sensor which is next to the wires going to The EGR plug any ideas as to what this sensor does will be greatly appreciated. Many thanks for looking What do Quote Link to comment Share on other sites More sharing options...
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