Volvo RWD 200 Forum

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'90 No Start - Emergency 200

posted by  nelson on  Tue Apr 12 05:38 CST 2005
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last visit: Tue Nov 6 12:52 CST 2001
[RELATED]

How do you hot wire a fuel pump relay? Need help asap!!!!








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    '90 No Start - Emergency 200

    posted by  someone claiming to be tjts1 on  Tue Apr 12 14:43 CST 2005 [RELATED]

    Check the fuse panel by the drive's feet in front of the door. Make sure all the fuses are nice and tight especially the fuel pump.
    I just went through the same issue with my 89 (see 3 posts about this one) only it wouldn't start period. I had to replace the whole ECU.








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      Another thing I forgot to mention. 200

      posted by  someone claiming to be tjts1 on  Tue Apr 12 14:49 CST 2005 [RELATED]

      An easy way to eliminate an ECU fault vs a fuel pump/relay fault is to see if the "CHECK ENGINE" light turns on with the key in position2. CEL, the ECU is ok. No CEL, bad ecu/fuse/ignition problem. I wasn't getting a CEL.








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    '90 No Start - Emergency 200

    posted by  pageda on  Tue Apr 12 09:44 CST 2005
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    last visit: Fri Oct 24 13:18 CST 2014
    [RELATED]

    You can bypass the relay from the fuse box by putting a jumper between the 2 fuel pump fuses on the left side of the fuse. Dan








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      '90 No Start - Emergency 200

      posted by  someone claiming to be Swedish Babe on  Tue Apr 12 13:11 CST 2005 [RELATED]

      Hi, get under the car and if you have a test light probe the B+ side of the fuel pump. If there is power then you have a bad fuel pump.Hope this helps.








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      '90 No Start - Emergency 200

      posted by  nelson on  Tue Apr 12 11:17 CST 2005
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      last visit: Tue Nov 6 12:52 CST 2001
      [RELATED]

      Ok. So I bypassed the relay and got the car home.Replaced relay with a good one ,car started right up.Drove back to work,parked everything ok.Now I get out of work and car won't start. Tried another good relay,no start. Tried to bypass relay still no start. Checked 25 amp fuse ok.Put new relay in ,unplugged new amm and tried to start still no go.I need to move this car in next 24hrs.Need more ideas!Please help!
      Thanks,Nelson








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        '90 No Start - Emergency 200

        posted by  smith_t240 on  Tue Apr 12 16:08 CST 2005
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        last visit: Tue Apr 24 02:21 CST 2007
        [RELATED]

        make sure you can hear the pumps when jumpering the fuses with car off.








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          '90 No Start - Emergency 200

          posted by  nelson on  Wed Apr 13 04:17 CST 2005
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          last visit: Tue Nov 6 12:52 CST 2001
          [RELATED]

          Cannot hear pumps.Car is now home.It is looking more like a pump problem.
          Thanks,Nelson








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            '90 No Start - Emergency 200

            posted by  someone claiming to be hillbilly on  Wed Apr 13 16:53 CST 2005 [RELATED]

            Out of curiosity. Check the battery connections. Especially the smaller wire on the positive post.
            steve








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            '90 No Start - Emergency 200

            posted by  mbliss on  Wed Apr 13 16:05 CST 2005
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            last visit: Tue Oct 21 20:49 CST 2014
            [RELATED]

            From your description, it sounds like it could just be a bad ground or other connection -- be sure to rule that out before you spend $$$ on a new pump!

            --
            '81 GLT 245 @ 259K; '83 DL 175K








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              '90 No Start - Emergency 200

              posted by  nelson on  Thu Apr 14 12:18 CST 2005
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              last visit: Tue Nov 6 12:52 CST 2001
              [RELATED]

              I have been checking ground connections and all are ok.Friday will be work on the car all day time[day off].I am curious to test a ground connection from the relay.From my "Houston" post someone ,sorry forgot the name,posted about losing a ground connection from relay to ecu.Also will be getting under the car and suppling direct current to pump.Meanwhile my back up 87 is buzzing away.So after the 90 fiasco I will be checking the little hose on the pre-pump.Makes me tired just thinking about it.Not to mention the 60 panels of drywall I need to put up this weekend.Will keep everyone posted.
              Thanks,Nelson







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