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help!!!!! no fuel pressure car wont start

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Old Oct 9th, 2002, 19:37   #1
Cypher007
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Last Online: Jan 8th, 2024 15:20
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Location: Lincolnshire
Default help!!!!! no fuel pressure car wont start

my 850 wont start it seems as if the fuel pumps failed or a relay, trouble is i havent got my haynes manual with me so i cant check the locality of the relay`s involved. anyway story so far:

got in car turned key engine struck up and died almost imediately. RAC contractor came out scared the sh*t out of me with his limited knowledege of auto electrics. eventually he decided to check the fuel supply, and was about to fetch off one of my fuel lines with a SCREWDRIVER when i pointed out the pressure test valve on the end of the fuel rail, and found no fuel :(

so now he saying i havent got any relays ill have to tow it home, ahhhh. decided to get him to tow it round the back of the college where i work, idea being if it is the fuel pump i can get the motor vehicle tutors to fix it ;)

anyway any ideas relays to check ect ect would be helpful, oh and the ecu is saying theres no faults.
__________________
Volvo 854 T5R Yellow 1994
Aquamist 2D (Don & Aquamist)
BMC panel filter (Don)
Ferrita Cat Back (Don)
Denso Iridium Spark Plugs (Hong Kong)
PowerFlex Top Engine Mount (?)
PowerFlex Wishbone Bushes (Elk Parts)
302mm front brake upgrade
Goodridge front hoses (rears to be fitted later)
600W Inverter (ebay)

History:
1991 Volvo 340DL (1982)
1994 Volvo 360GLE (1989)
1999 Volvo 360GLT (1988)
2002 Volvo 850GLT (1991)
2004 Volvo 850T5R (1994)
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Old Oct 10th, 2002, 10:32   #2
JOHN 850
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Last Online: Mar 26th, 2024 22:02
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Location: North Yorkshire
Default RE: help!!!!! no fuel pressure car wont start

The fuel pump relay is in the main part of the fuse box i.e. take off the full cover with the 4 torx screws. The fuel pump relay is an inch square & probably green - mine started cutting out when warm & wouldn't start again for a couple of mins. The new one I got from Volvo (£35) was red in colour though - maybe so they could easily spot if it had been changed !! Also, when was the last time you changed the fuel filter - it could be blocked if it's never been changed !! Thats located on the r/h side of the car near the fuel tank.

Hope you get it sorted,

J.
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Old Oct 10th, 2002, 10:41   #3
Cypher007
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Default RE: help!!!!! no fuel pressure car wont start

im not sure when the filter was changed i bought the car this year with a full volvo service history at 76K. ive now done about 80k.
__________________
Volvo 854 T5R Yellow 1994
Aquamist 2D (Don & Aquamist)
BMC panel filter (Don)
Ferrita Cat Back (Don)
Denso Iridium Spark Plugs (Hong Kong)
PowerFlex Top Engine Mount (?)
PowerFlex Wishbone Bushes (Elk Parts)
302mm front brake upgrade
Goodridge front hoses (rears to be fitted later)
600W Inverter (ebay)

History:
1991 Volvo 340DL (1982)
1994 Volvo 360GLE (1989)
1999 Volvo 360GLT (1988)
2002 Volvo 850GLT (1991)
2004 Volvo 850T5R (1994)
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Old Oct 10th, 2002, 21:22   #4
Chris_Rogers
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Last Online: Apr 10th, 2017 17:55
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Location: South Kent Coast
Default RE: help!!!!! no fuel pressure car wont start

Tried the fuse?
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Old Oct 14th, 2002, 10:35   #5
Cypher007
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Last Online: Jan 8th, 2024 15:20
Join Date: Dec 2001
Location: Lincolnshire
Default RE: help!!!!! no fuel pressure car wont start

i found out it was the fuel pump, £122 ouch, anyway thanks for the replys, and take a tip from me dont run the tank low with an old car. this is what i did just before i filled up again, then about 3 days later fuel pump died, also when i took the old one out i noticed the filter on the bottom of it was worn as if rubbing the bottom of the tank. this had made a small square hole in the filter a bit bigger thus letting in all sorts of #####.
__________________
Volvo 854 T5R Yellow 1994
Aquamist 2D (Don & Aquamist)
BMC panel filter (Don)
Ferrita Cat Back (Don)
Denso Iridium Spark Plugs (Hong Kong)
PowerFlex Top Engine Mount (?)
PowerFlex Wishbone Bushes (Elk Parts)
302mm front brake upgrade
Goodridge front hoses (rears to be fitted later)
600W Inverter (ebay)

History:
1991 Volvo 340DL (1982)
1994 Volvo 360GLE (1989)
1999 Volvo 360GLT (1988)
2002 Volvo 850GLT (1991)
2004 Volvo 850T5R (1994)
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