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V70 T5 losing fuel pressure and throttle at 1/4 tank petrol

Help, Advice, Owners' Discussion and DIY Tutorials on Volvo's stylish, distinctive P2 platform cars sold as model years 2001-2007 (North American market year designations).

2001 - 2007 V70
2001 - 2004 V70 XC (Cross Country)
2004 - 2007 XC70 (Cross Country)
2001 - 2009 S60
2003 - 2007 S60 R
2004 - 2007 V70 R
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Alfiehiron
Posts: 6
Joined: 16 December 2025
Year and Model: 2005 v70 t5
Location: Hertfordshire

Re: V70 T5 losing fuel pressure and throttle at 1/4 tank petrol

Post by Alfiehiron »

What does a vacuum buildup in the fuel tank look like?
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vtl
Posts: 4723
Joined: 16 August 2012
Year and Model: 2005 XC70
Location: Boston
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Post by vtl »

Alfiehiron wrote: ↑21 Dec 2025, 11:24 What does a vacuum buildup in the fuel tank look like?
Pump struggles to maintain fuel pressure, engine stutters.
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