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Fuel line check valve

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2008-2016 V70
2008-2016 XC70
2007-2016 S80

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Posts: 38
Joined: Wed Sep 02, 2009 2:14 pm
Year and Model: 2010 XC70; 2006 S40
Location: Boston

Fuel line check valve

Post by kjhiggins »

I've seen this issue discussed a couple times before here and I've asked this on other forums without getting any help so I thought I'd try asking it here. I'm having the hard cold start issue (see viewtopic.php?f=31&t=80013) indicative of a failed fuel pump check valve. I don't see any other issues with the fuel pump so I don't want to go to the expense or hassle of replacing it without exploring other options. I know older V70 and XC70s have this issue and it was fairly straightforward to put a fuel line check valve in the line near the fuel filter by the tank. Has anyone tried this on a P3 vehicle? I haven't gotten under the car to poke around for a good place to install a check valve and I haven't seen any good diagrams or pictures of the routing of the fuel line so I don't even know if this is possible. Any advice or guidance would be helpful and appreciated. Thanks!
2010 XC70 T6 180k; 2006 S40 T5 AWD M66 230k; 2004 XC70 280k; 1998 V70 288k (sold); 1970 Dodge Super Bee 383 Magnum 122k
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