2002 A4 1.9 TDI 85000 MILES

ANTHONY CAVANAGH

MEMBER
2002 AUDI A4

ENGINE MAKING WHISTLING NOISE WHEN TURBO COMING IN, NOT RUNNING SMOOTHLY ALSO BLACK SMOKING

Tuesday, October 16th, 2007 AT 1:04 PM

1 Reply

2CARPRO JACK

MECHANIC
11,533 POSTS

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?

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2002 A4 1.9 TDI 85000 MILES

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