What parts do I need concerning these Audi a4 2004 1.8t engine codes?

Asked by Jun 07, 2015 at 06:41 PM about the 2004 Audi A4 1.8T Sedan FWD

Question type: Maintenance & Repair

My Audi is having some pretty severe mechanical issues. The EPC light is lit and after
using a scanner to probe the issues, I have the following codes:
P0638, and

Is there a list of corresponding parts that need to bought?

Thank you for the help.

1 Answer


Fault codes give a general idea if problem areas. You can do a Google search of those codes, look for a common thread between them, and then look at that area on your car.

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