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MAF V70-XC70 2001

posted by  KlausC on  Tue Mar 3 17:12 CST 2009
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last visit: Fri Oct 24 10:15 CST 2014
[RELATED]

Before you rush out an order a new MAF, I suggest checking any vacuum elbows around the intake manifold for cracks/leaks. I use a butane cigarette lighter, no flame, and see if the idle changes when the butane is directed toward a vacuum line or the intake manifold gasket.
Also check the accordian air intake tube directly in front of the throttle body, it has a tendancy to crack with age.
If the vacuum leak is large, you should hear it at idle.
--
My name is Klaus and I am a Volvoholic.






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