2002 A4 1.9 TDI 85000 MILES

  • Tiny
  • ANTHONY CAVANAGH
  • 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 Answer

  • Tiny
  • Jack42
  • Member

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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Tuesday, October 16th, 2007 AT 3:35 PM

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