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electrical sound when starting S70 1998

posted by  Di on  Mon Feb 14 10:03 CST 2011
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last visit: Thu Mar 10 12:09 CST 2011
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Hello guys and Klaus,

So with this NYC winter my car has been either buried or stuck to the curb with ice.... I started it every 3 to 4 days to warm it up though did not drive it.. this went on for a few weeks... Now that I am using Bjorn once again I noticed when I start it there is a strange electrical noise, that is all I can describe it as.. it last for a few seconds and disappears.. the noise sounds like it coming from overhead for some reason..... this has occured the last few times I started him....

Any help much appreciated as always

Thanks
Di








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    electrical sound when starting S70 1998

    posted by  KlausC on  Mon Feb 14 10:26 CST 2011
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    last visit: Fri Oct 24 10:15 CST 2014
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    Not much to go on, is there?

    When you turn the key to posII, the idle air control motor starts up but that is in the forward engine bay. After start, the air pump will run for a minute or so until the engine warms up a little.

    Try this, if you have ECC. Turn the fan speed to zero before putting the key in the ignition. You might be hearing the ECC unit checking all of the dampers and turning off the automatic function will prevent the ECC from doing its checks.

    Klaus
    --
    Always willing to listen, just not able to take direction.







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