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Fuel Pump Check Topic is solved

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AdamS70T5
Posts: 6
Joined: 14 Mar 2014, 11:13
Year and Model: 1999 S70 T5
Location: Trinidad and Tobago

Post by AdamS70T5 »

Yes that is true, my car does not have a fuel pressure regulator.

UPDATE.
So i got the new pump in and started and unfortunately the same problem happened. It started, idled for 2-3 seconds, sputtered and then died.
I decided to jump the relay again, and this time it worked.
I left the car idling for 5 minutes then revved it a little and it worked fine.
I put the relay back in and it won't start.
So it would seem that both my fuel pump and my fuel pump relay were bad. I must have really bad luck :(

So I'll get a new relay. I hope that this is the last thing that I need.

cn90
Posts: 8363
Joined: 31 Mar 2010, 09:54
Year and Model: 2004 V70 2.5T
Location: Omaha NE
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Post by cn90 »

Maybe the root cause was the fuel relay all along.
This is why I recommend that people carry a Torx Set and a jumper wire (with fuse) in the glove box.
The diagnosis with the jumper wire is quick and definitive!

This is an example of my jumper wire...


Image
2004 V70 2.5T 100K+
2005 XC90 2.5T 110K+

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erikv11
Posts: 11913
Joined: 25 Jul 2009, 14:03
Year and Model: 850, V70, S60R, XC70
Location: Iowa
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Post by erikv11 »

So it was the relay all along but hey, failure of the old fuel pumps is pretty common too now you know you are covered. :)
'95 854 T-5R, Motronic 4.4, 185k
'98 V70, T5 tune-injectors-turbo, LPT engine, 304k, daily driver
'06 S60 R, 201k
'07 XC70, black, 205k
'07 XC70, willow green, 223k
gone: '96 NA 850 210k, '98 NA V70 182k, '98 S70 NA 225k, '96 855 NA 169k

AdamS70T5
Posts: 6
Joined: 14 Mar 2014, 11:13
Year and Model: 1999 S70 T5
Location: Trinidad and Tobago

Post by AdamS70T5 »

Update.
So its been about 3 weeks so far with the new fuel pump relay, and everything works.
So I have installed a new fuel pump, new fuel pump relay and new fuel filter, so as erikv11 said I'm covered.

Thanks again for all the help guys. :)

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