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Joined: May 2003
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From: Indianapolis, IN
A4 whining noise when starting
I don't know of anthing to do with the emissions that would cause a whining noise</P>
Vacuum leak? I just cleared a guys codes today with my VAGcom cuz the hose to his BPV was leaking badly. It threw a check engine light. Check all your hoses for leaks and damage. </P>
Could be that is bad when its cold and ok when it warms up - could be belts - they do have a tendency to sound likea bad bearing when they are bad.</P>
Might be the MAF? Mass Air Flow sensor? Sometimes that get bad/dirty and the ECU can;t computer correct fuel to air mix ratios.... that could throw a CEL too.</P>
edit - sorry just saw that your is a 2.8. I dunno if your even has a BPV or a MAF. Might be turbo cars only.</P>
1st Gear
Joined: Oct 2006
Posts: 20
RE: A4 whining noise when starting
Had same problem
1. its the G000200 oil in the power steering reservoir
2. powersteering fluid is low and air is escaping int he power steering lines from the reservoir
its the sound from the air bubles in the powersteering fluid pulvarized by the pump
its an late reply but wanna post my answer
1. its the G000200 oil in the power steering reservoir
2. powersteering fluid is low and air is escaping int he power steering lines from the reservoir
its the sound from the air bubles in the powersteering fluid pulvarized by the pump
its an late reply but wanna post my answer
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