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Moaning Noise when cold S70 1998

About 6 months ago we noticed a moaning noise when the engine was cold and accelerating. The noise would go away about a minute or two later. I mentioned this to a shop and they told me it might be the air pump. Would the OBDII codes identify a bad air pump or would there be another test. I'm thinking about buying a OBDII scanner. Any recommendations on a good OBDII scanner for a DIY'er.






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New Moaning Noise when cold [S70][1998]
posted by  rick15752  on Mon Jun 9 19:12 CST 2003 >


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