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Update on my TDI problem

1K views 1 reply 2 participants last post by  50mpg 
#1 ·
I've noticed that when the car is warm, there is plenty boost and my CEL goes away for a while. I removed the plug (circled in the picture) and all of a sudden the car was running like a champ with lots of boost and the CEL was gone! Unfortunately it came back...could that be an issue?
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