EGR valve has clogged up on my seven-year-old Volkswagen Tiguan 2.0 TDI Diesel
I need to replace the EGR valve on my seven-year-old Volkswagen Tiguan diesel, at a cost of £1200 because it is coked-up. My car was subject to the emissions scandal and was modified by Volkswagen to comply with the regulations. I wonder whether this modification could have resulted in fewer particulates being emitted which were then re-circulated in the engine leading to a premature coking-up of the valve? I have taken this up with VW Customer Services, but they said they could not help me.
Asked on 6 December 2019 by Cyril Tomkins
Answered by
Honest John
Under it's 'Restoring Trust' warranty, VAG guaranteed to put right any 'consequential' issues that could have resulted from the NOx emissions fix for up to 2 years from the fix or up to a total of 160,000 miles whichever came first. Because simply reducing NOx creates more soot that would have clogged the EGR, the fix involved reprogramming the injectors to undertake an additional cycle which could create additional wear.
Basically, if a Volkswagen dealer had to replace your EGR, then is should have been covered for up to 2 years from the fix. A few cases are now starting to emerge of EGR/injector failures outside the 2 year limit.
Basically, if a Volkswagen dealer had to replace your EGR, then is should have been covered for up to 2 years from the fix. A few cases are now starting to emerge of EGR/injector failures outside the 2 year limit.
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