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In tank fuel pump

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

mengelman
Posts: 3
Joined: Sat Jan 26, 2019 8:48 am
Year and Model: 1991 240
Location: Texas
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mengelman

In tank fuel pump

Post by mengelman » Mon May 11, 2020 7:14 pm

I acquired a 92 940 turbo recently. I have no history on it. it had been abandoned. First thing i did was pull the in tank fuel pump thinking the tank might need cleaning. The pump was dry and split so i installed another one. I cant get any power to the pump. I pulled the relay out of a running car and swapped and no improvement. I dont know if its related but i have no power to the ac controls and radio. I do however have voltage to terminal 30 on the relay socket
You guys have any idea/
Thanks
Mike

nmontague81
Posts: 5
Joined: Thu May 07, 2020 12:42 am
Year and Model: '96 854, '93 945
Location: California
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nmontague81

Re: In tank fuel pump

Post by nmontague81 » Thu May 21, 2020 8:17 pm

Was the in-tank pump new or used? I replaced my in-tank pump with a used one from eBay, which was listed as working. Of course, after installation, it didn't work. New in-tank pumps are expensive (think eEuroparts stocks them), but it's the most reliable option.

The AC controls and radio run on a different circuit than the fuel pump, so it's probably a separate issue.

mengelman
Posts: 3
Joined: Sat Jan 26, 2019 8:48 am
Year and Model: 1991 240
Location: Texas
Has thanked: 0
Been thanked: 0
United States of America
mengelman

Re: In tank fuel pump

Post by mengelman » Sat May 23, 2020 7:26 am

It was new. Turned out to be the ecu. Put in a used one and everything worked.

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