One problem related to gas recirculation valve (egr valve) has been reported for the 2006 Volkswagen Passat. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2006 Volkswagen Passat based on all problems reported for the 2006 Passat.
Car died after going up hill at night in the rain. Had towed to service station. Was advised oil bolt disintegrated after oil plug filter got clogged. Head blown in car need new engine. Was advised vw is familiar with this problem but chose not to fix it.