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Xc70 fuel pump issue

Help, Advice, Owners' Discussion and DIY Tutorials on Volvo's stylish, distinctive "P2" platform cars.

2001 - 2007 V70
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Matt76brown
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Joined: Sat May 18, 2019 7:52 am
Year and Model: 2007 xc70
Location: WA
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Matt76brown

Xc70 fuel pump issue

Post by Matt76brown » Sat May 18, 2019 7:59 am

Hi there people.

I recently ran out of fuel. Ran tank dry. Went back with a jerry can, 20L.
Tried starting..... nothing.
Cranks but no fire.
No fuel at rail.
Checked 2 pin plug under back seat to pump and have 12v switched feed.
Also have 12v at large plug on top of pump.
Pump not pumping.
Is there a certain pin to check ?
Can i try powering pump of a battety ? Some help would be awesome.
Thankyou



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RickHaleParker
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Joined: Mon May 25, 2015 2:30 pm
Year and Model: See Signature below.
Location: Kansas
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RickHaleParker

Re: Xc70 fuel pump issue

Post by RickHaleParker » Sat May 18, 2019 9:53 am

Check you fuel filter.

Sometimes when you run a tank dry a mass of debris gets pushed into the fuel filter and clogs it. The pump may not be running because it detects pressure in the line. The clogged fuel filter prevents the fuel from reaching the fuel rail.


Platform: P80 1998 C70, B5234T3, AW50-42, Bosch Motronic 4.4, Special Edition package, Plant: Uddevalla Sweden.

Platform: X40 (Nedcar) 2003 S40, B4204T3, AW55-50/51SN, Siemens EMS 2000. Plant: Born Netherlands.

Platform P2 2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0, Plant Torslanda Sweden.
----------------------------------------------------------------
1997 S90, B6304S, AW30-42, Bosch Motronic 4.4 - Sold

Matt76brown
Posts: 2
Joined: Sat May 18, 2019 7:52 am
Year and Model: 2007 xc70
Location: WA
Has thanked: 0
Been thanked: 0
Australia
Matt76brown

Re: Xc70 fuel pump issue

Post by Matt76brown » Sat May 18, 2019 10:26 am

I have taken the hoses off the filter before and after and still no luck



User avatar
RickHaleParker
Posts: 2761
Joined: Mon May 25, 2015 2:30 pm
Year and Model: See Signature below.
Location: Kansas
Has thanked: 3 times
Been thanked: 305 times
United States of America
RickHaleParker

Re: Xc70 fuel pump issue

Post by RickHaleParker » Sat May 18, 2019 11:19 am

You may of burned up the fuel pump. Fuel does double duty as the coolant for the pump.
You can try hooking 12V up direct to the pump motor. Just keep in mind it needs to be keep cool.


Platform: P80 1998 C70, B5234T3, AW50-42, Bosch Motronic 4.4, Special Edition package, Plant: Uddevalla Sweden.

Platform: X40 (Nedcar) 2003 S40, B4204T3, AW55-50/51SN, Siemens EMS 2000. Plant: Born Netherlands.

Platform P2 2005 XC90 T6 Executive, B6294T, 4T65 AWD, Bosch Motronic 7.0, Plant Torslanda Sweden.
----------------------------------------------------------------
1997 S90, B6304S, AW30-42, Bosch Motronic 4.4 - Sold

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