It seemed to be the P0102, \"Mass Air Flow sensor low input\" that had thrown the CEL. It starts from cold smelling very rich, and doesn't rev very well under no load, exhibiting a miss.
everyone told me \" its your mass air flow sensor\" ... so paid 250 $$ for a new bosch one and it didnt make any difference at all ...
If you find nothing then take a shot at the mass but buy Bosch new not rebuilt they are such problems they are considered a tune up part on a V.W.
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The brand is registered in Germany.
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