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running again 850

posted by  KlausC on  Tue Aug 24 06:14 CST 2010
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last visit: Fri Oct 24 10:15 CST 2014
[RELATED]

Good to hear!

The FPR uses vacuum to change the fuel pressure. Lack of vacuum tells the FPR to increase the fuel pressure by at least 4 psi, enough to flood the cylinders with gasoline at idle.

Start checking the vacuum elbows the next time you have the hood up. Replace those that are very soft or cracked.

Klaus
--
Two great Volvos, a 1967 220 and a 1998 V70R






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