Question about 1994 Volkswagen Jetta

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It is running rich. How do I adjust the carb?

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You don't. First check air filter, if clogged, replace. Next, is your car throwing a trouble code? Try cleaning MAF sensor with carb cleaner (that's between air cleaner and throtle body), next, replace bank one of the oxygen sensor. I would start there. The problem running rich is a little generic, and the above are easy fixes. If this doesn't fix it, come back and we will move on to the next possible problem.

Posted on Apr 27, 2013

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