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1990 240 No Fuel Pump Buzzz

Help, Advice, Owners' Discussion and DIY Tutorials on all Volvo's "mid era" rear wheel drive Volvos.

1975 - 1993 240
1983 - 1992 740
1982 - 1991 760
1986 - 1991 780
1990 - 1998 940
1990 - 1998 960
1997 - 1998 V90/S90

Nashsurecanpaint
Posts: 14
Joined: Sat Jul 22, 2017 8:17 am
Year and Model: 1990 240
Location: Missouri
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Nashsurecanpaint

1990 240 No Fuel Pump Buzzz

Post by Nashsurecanpaint » Thu Sep 19, 2019 8:46 am

So my fuel pumps arent turning on UNLESS I put a jumper wire from fuse #6-4. I've read this is a common way to limp your car home. Well, I'm home now what? Can someone give me some diagnostic tips on what wires to check for power/ground? I put a new fuel pump relay (the one under the glovebox) in and still no buzzing. Your help is much appreciated.



93Regina
Posts: 2491
Joined: Sat Jan 18, 2014 7:11 pm
Year and Model: 93:240/940
Location: Sunflower State
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93Regina

Re: 1990 240 No Fuel Pump Buzzz

Post by 93Regina » Fri Sep 20, 2019 8:41 pm

Nashsurecanpaint wrote:
Thu Sep 19, 2019 8:46 am
......
ECU Fuel Pump Control Circuit Repair.



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