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240 fuel pressure problem

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

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Don240Dl
Posts: 2
Joined: 7 October 2011
Year and Model: 85 240dl
Location: West Chester Pa.

240 fuel pressure problem

Post by Don240Dl »

I have an 85 240 replaced both fuel pumps and filter it seems to be straining to draw from the tank and the external pump runs warn after it runs for a couple min. it shuts off.. pulled intank pump and the sock strainer is almost gone . could the sock be my pr
problem? Why is a relativly new in tank pump not supplying enough? replaced fuel pump relay still acts up.I took it out on highway flat out does not lose pressure but idling from light to light the pump starts to wine and it stalls. This car has been sitting for some time and the idle seems high too.
Last edited by Don240Dl on 08 Oct 2011, 13:07, edited 1 time in total.

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billofdurham
MVS Moderator
Posts: 6507
Joined: 2 February 2006
Year and Model: 855, 1995
Location: Durham, England
Been thanked: 5 times

Post by billofdurham »

Welcome to Matthew's Volvo Site.

The sock filter is very important as it keeps the rubbish in the tank out of the pumps. If the filter has disintegrated it is probably blocking the main filter and may have found its way into the main pump (worst case scenario).

Read this, especially the reply by Kmaniac in California USA. Chris had major problems all due to a bad filter.

Bill.
Work was good - retirement is better.

1996 850GLT 2.5 20v Estate Manual.
1995 Peugeot Boxer 2.5Tdi Autosleeper.
Previously:
1984 244DL, Manual, Beige.
1987 744GLE, Manual, Green.
1991 960 3.0 24v, Auto, Silver.
1994 940T Wentworth, Auto, Blue.

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