Volvo 850 Made from 1993 to 1997, this Volvo line was available in both a wagon and a sedan, both with were graced with several trim levels.

1995 850 Turbo Wagon dies on half tank

Old Apr 22, 2013 | 04:42 PM
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Question 1995 850 Turbo Wagon dies on half tank

I bought a '95 Turbo Wagon a month or so ago and the car dies intermittently whenever it gets to around 10-11 gallons in the tank. I cleaned my MAF sensor first because I figured it couldn't hurt, and it seemed to help a little bit at first. I have also replaced the fuel filter, which hasn't done anything unfortunately. I've wondered about the fuel pump, but I'm not sure if that would really cause it to die intermittently or not. Anyhow, if anyone knows of common issues like this, it would be greatly appreciated.
 
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Old Apr 22, 2013 | 10:18 PM
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Originally Posted by thejester320
I bought a '95 Turbo Wagon a month or so ago and the car dies intermittently whenever it gets to around 10-11 gallons in the tank. I cleaned my MAF sensor first because I figured it couldn't hurt, and it seemed to help a little bit at first. I have also replaced the fuel filter, which hasn't done anything unfortunately. I've wondered about the fuel pump, but I'm not sure if that would really cause it to die intermittently or not. Anyhow, if anyone knows of common issues like this, it would be greatly appreciated.
Ck your fuel pressure when it dies; if it's going down (spec is around 43 psi) when engine dies, and it always happens when tank is at or below halfway point, then most likely the fuel pump. You should troubleshoot with a VOM to make sure it's not the fuel pump relay.
 
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Old Apr 23, 2013 | 06:22 PM
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What Gdog said.


When you pulled the filter did you check to see how plugged it was, try to blow through ??
Did you notice how the gas coming out of the filter looked ??
When it dies how long does it take for it to restart ??

Weak pump or relay is what I'm thinking.
 
Attached Thumbnails 1995 850 Turbo Wagon dies on half tank-fuel-filter-dripping-crud.jpg  
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Old Apr 23, 2013 | 06:26 PM
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When I replaced the filter the fuel that came through was clean and I could blow through it easily. I'm definitely going to look intro the pump and relay, just need to locate the relay itself.
 
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Old Apr 23, 2013 | 06:31 PM
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That is actually one of the sticky threads.

https://volvoforums.com/forum/volvo-...p-relay-64044/
 
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Old Apr 23, 2013 | 10:37 PM
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It's under the fuse panel. You take out the four screws in the corners.

http://www.matthewsvolvosite.com/for...pic.php?t=9681

http://www.matthewsvolvosite.com/for...ic.php?t=32386
 
Attached Thumbnails 1995 850 Turbo Wagon dies on half tank-fuel-pump-relay-103.jpg   1995 850 Turbo Wagon dies on half tank-fuse-box-underhood.jpg   1995 850 Turbo Wagon dies on half tank-fusebox.jpg  
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Old Apr 28, 2013 | 06:53 PM
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I replaced my Relay, and as far as I can tell right now, it may be fixed. Thank you guys so much for the help. I'll keep you posted on the status!
 
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