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Diagnosing and Fixing Limp mode for A4 1.9TDI [low power troubleshooting]
Just wanted to write Canadian Grizzly (if he’s still around) and thank him for posting his piece on diagnosing limp mode problems (trouble shooting) with the 1.9l ALH engine. I recently installed a new turbo and his step by step analysis of the vacuum system saved the day - specifically his...