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Stumped on CODE P0172 (system Rich) @139K S70 1998

posted by  KlausC on  Tue Jun 8 11:28 CST 2010
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last visit: Fri Oct 24 10:15 CST 2014
[RELATED]

That's what's nice about a turbo boost/vacuum gauge. Yes, boost causes positive pressure in the manifold. That is how additional air is introduced to the cylinder, rather than relying on vacuum to draw the air in.

The 850 turbos all had a turbo boost gauge in the instrument panel. 'old' cars had vacuum gauges that were calle fuel economy gauges, the higher the vacuum the better the mileage.

Glue? yuck! I would use a small zip tie :)

Klaus
--
Why are Volvos so endearing? Its just a car.






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