Volvo AWD 850 Forum

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Code 3-1-5 on 94 850 Turbo - advise ? 850 1994

posted by  nutsaboutcars.com on  Tue May 7 17:45 CST 2002
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Hello,
I have a 94 850 Turbo with 88K on it.
I've got two issues. One, I keep getting a 3-1-5 code
about every 4 days. I looked it up and it says it's the
EVAP system. I've replaced every rubber hose I can find
on the engine and it still pops up after about 4-5 days
from resetting. Any Ideas of what I'm missing ???

Second problem : I have a decently loud clunk happen
when sitting at a dead stop and shifting from drive
to reverse. I replaced the upper engine mount ( the rubber
looked cracked ), but it still does it. I replaced the
Axle on the drivers side a while back when I replaced
a hub assembly. Any ideas on this ???

Thanks,

Ryan Poulos
Dallas, TX








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    Code 3-1-5 on 94 850 Turbo - advise ? 850 1994

    posted by  someone claiming to be Mrsha on  Wed May 8 03:48 CST 2002 [RELATED]

    Loud clunk ?? hummmmm could it be your PNP switch ?? not sure here... sound like something not lining up correctly when you shifitin it in to D...

    Transmission sensor switch ??? it located out side the transimission... I hear thi could cause the problem too..

    How about flushing your transmission fluid ?? this solve 90% transmission problem.....


    hope this hepl








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      Code 3-1-5 on 94 850 Turbo - advise ? 850 1994

      posted by  nutsaboutcars.com on  Wed May 8 04:42 CST 2002
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      Thanks for the advise.
      I'll check the switch and change the fluid.
      I need to do the timing belt this weekend anyway,
      so I guess I'll make a whole run down the list.

      I appreciate your help.

      Ryan
      Dallas, TX







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