Mechanics

AUDI QUATTRO ENGINE PROBLEM

1994 Audi Quattro

ENGINE SOUND KEEPS GOING UP AND DOWN
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DZAM
February 22, 2013.



Check for stored fault codes (if ECM equipped) and vacuum leaks.

What engine?

Thomas
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Tiny
Exovcds
Feb 23, 2013.
Probably a faulty idle control system, check for codes and get IAC system checked out first.

Mhpautos
Apr 24, 2013.

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