Mechanics

1.9 TDI 85000 MILES

2002 Audi A4

ENGINE MAKING WHISTLING NOISE WHEN TURBO COMING IN, NOT RUNNING SMOOTHLY ALSO BLACK SMOKING
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ANTHONY CAVANAGH
October 16, 2007.



Sounds like it could be a mixture control problem caused by an intake or other vacuum leak. Inspect all vacuum lines and intake hoses for cracks or breaks. Is the check engine light on?

Tiny
Jack42
Oct 16, 2007.