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My 94 850 has intermittent stalling 850

posted by  Jimvolvo on  Sun May 11 17:58 CST 2003
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I've got a terrible intermittent problem. My Volvo will suddenly stall, as if the key was shut off. There is no pattern. It happens warm and cold, driving fast or idling. It is gradually getting worst. If it happens while idling, it can take a long time to get it started again. My Volvo mechanic kept it for a day and the proplem would not repeat itself - typical. He said that there was nothing showing on the code. Possible hint; after numerous attempts to restart the car, there was no smell of fuel. I replaced the fuel pump reley with no success. Any suggestions would be greatly appreciated.








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    My 94 850 has intermittent stalling 850

    posted by  tonyg on  Mon May 12 09:15 CST 2003
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    last visit: Fri Aug 22 10:44 CST 2014
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    Jimvolvo,
    It could be a faulty fuel filter, when was the last time it was replaced? Early 850s also suffered from fualty fuel senders which better fits your scenario...








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    My 94 850 has intermittent stalling 850

    posted by  someone claiming to be 93&97 850's on  Mon May 12 00:17 CST 2003 [RELATED]

    My 93 did the same thing, I changed the fuel filter, it has not done in months, not sure thats the fix, but Its a start.

    good luck








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      My 94 850 has intermittent stalling 850

      posted by  someone claiming to be 93 850 on  Mon May 12 09:29 CST 2003 [RELATED]

      I had a similar problem for quite some time. I replaced the fuel filter, Volvo replaced the ECM (what a waste), and any number of other things were tried. I finally decided there must be something in the fuel tank that was obstructing the fuel flow so I pulled out the pump and discovered that the hose that runs from the pick-up at the bottom of the pump was disconnected from but just touching the top of the pump. Reattached it and no more problem. Apparently it was touching just enopugh to maintain flow most of the time but when the tank was about half full the force of starting, slowing, or turning would cause the fuel to push the hose aside far enough to cause the stalling.

      Since then I always suggest checking the connections stem to stern whenever a flow problem is detected. Hope this helps.







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