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by lemonlover
18 Nov 2010, 09:16
Forum: S80 1st gen 1999-2006
Topic: 2003 s80 Fuel system nightmare - No fuel pressure
Replies: 7
Views: 3673

Re: 2003 s80 Fuel system nightmare - No fuel pressure

I did take it to the dealer (after it magically started running again) but they claim that it is not under recall, despite it being the pump pictured on page 14 of the service document (attached). Is it possible that there are some of these pumps with the white flange and wiring harness that are NOT...
by lemonlover
11 Nov 2010, 20:14
Forum: S80 1st gen 1999-2006
Topic: 2003 s80 Fuel system nightmare - No fuel pressure
Replies: 7
Views: 3673

Re: 2003 s80 Fuel system nightmare - No fuel pressure

I'll keep that document handy, it does look like it may be useful someday. Thanks!
by lemonlover
11 Nov 2010, 10:45
Forum: S80 1st gen 1999-2006
Topic: 2003 s80 Fuel system nightmare - No fuel pressure
Replies: 7
Views: 3673

Re: 2003 s80 Fuel system nightmare - No fuel pressure

Further testing (applying 12v to the impeller from the header) indicated that the pump itself is apparently shot, already.

Any thoughts on what could kill a new Bosch fuel pump in about a week's time?
by lemonlover
11 Nov 2010, 09:46
Forum: S80 1st gen 1999-2006
Topic: 2003 s80 Fuel system nightmare - No fuel pressure
Replies: 7
Views: 3673

Re: 2003 s80 Fuel system nightmare - No fuel pressure

Thanks for giving me a few new things to consider. The tach does read 300rpm when cranking. Since there's no fuel pressure at all at the rail's relief valve, and doesn't sound like the pump is running, I guess this is an electrical problem? Does anyone have a wiring diagram of the fuel delivery syst...
by lemonlover
10 Nov 2010, 17:28
Forum: S80 1st gen 1999-2006
Topic: 2003 s80 Fuel system nightmare - No fuel pressure
Replies: 7
Views: 3673

2003 s80 Fuel system nightmare - No fuel pressure

2003 S80 Non-turbo 2.9L Gasoline 80k miles, sold in the Midwest USA. Symptom: The car starts, intermittently. Often refuses to start in inconvenient places, but even more often in the garage at home. Currently won't start at all. I changed the fuel filter. I triple checked that I put it on in the ri...