Quote:
Originally Posted by david s poole
the short plug connectors that join the coils to 3 of the plugs are infamous for going bad you should replace them.the other probabilities are the mass air flow sensor and the fuel pressure regulator in the front end of the fuel rail.
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Thanks for the tips. How do you test the air flow sensor and the fuel pressure regulator? I've read in some VW forums that some folks try disconnecting the MAF to see if there's any difference in proformance. If not, then it was usually time to replace it.