Question about 2002 Volkswagen Jetta TDI
This could very well be the coolant resevoir/level sensor. if it is running poorly, these engines have a big tendency to foul up the throttle body and go from a 3" hole to about 1 1/2". if you take off the air horn to the throttle body and look inside you will be able to see what im talking about. now you can chip away at it but it must be done very carefully. dont let any fall down the intake. the proper way is to remove the manifold and let it soak. the egr is attatched to the throttle body and this is the reason for the carbon build up. also check your fuel filter. after this, it runs like a new car.
Posted on Jan 30, 2010
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Posted on Jan 02, 2017
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