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dead speedo, CEL?

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    #1

    dead speedo, CEL?

    Friend is driving an 88 civic between austin tx and arizona. She says her speedo has been off since she left here (columbus,Oh). She says her speedo is now dead, and the transmission is havin a hard time changing gears. When she puts it in park or reverse, it sticks. Her boyfriend put one of those big, old school tvs with the speaker at the bottom in it (the car). Any idea what's going on?

    92' Ex - Needs work, but hey! It runs safely
    91' Lx -Car vs IDIOT.. R.I.P.
    RIP 92' Lx... Car vs Concrete.. Car lost.
    Tags: None
    #2
    R. I. P. V S S

    From your description, I can tell that your friend has an automatic transmission. The Vehicle Speed Sensor (VSS) is dead. It sends a reference voltage via an Orange wire to the: Cruise Control, Speedometer, and Transmission Control Unit (TCU) (for Automatic Transmissions only). Right now the TCU doesn't know what speed the car is moving at and is having trouble timing the downshifting. I bet the car shifts hard during acceleration and then delays downshifting afterwards, I had the same problem with my C27A4.
    1997 Honda Accord EX-V6:
    C27A4 - 2.7-liter 90º-V6 with SOHC, 24-valves, PGM-Fi
    MPZA - Electronically controlled 4-speed automatic, 1 reverse
    ~170 cu. in. / ~170 ft. lbs. / ~170 whp

    Originally posted by James Matteu
    You have to consider the results of your test in an objective manner, or as the country folk like to say, "son, you gotta be smarter than what you're workin' with."

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      #3
      another vote for VSS. later.
      Avoiding dirt at all costs

      Comment

        #4
        Originally posted by James Matteu View Post
        From your description, I can tell that your friend has an automatic transmission. The Vehicle Speed Sensor (VSS) is dead. It sends a reference voltage via an Orange wire to the: Cruise Control, Speedometer, and Transmission Control Unit (TCU) (for Automatic Transmissions only). Right now the TCU doesn't know what speed the car is moving at and is having trouble timing the downshifting. I bet the car shifts hard during acceleration and then delays downshifting afterwards, I had the same problem with my C27A4.
        So is there anything she can do about it? or does she have to keep going and try to make it to Arizona? Would taking that tv out of her car help her transmission?

        92' Ex - Needs work, but hey! It runs safely
        91' Lx -Car vs IDIOT.. R.I.P.
        RIP 92' Lx... Car vs Concrete.. Car lost.

        Comment

          #5
          Originally posted by Aries1911 View Post
          So is there anything she can do about it? or does she have to keep going and try to make it to Arizona? Would taking that tv out of her car help her transmission?
          Nope, just limp it home.

          Comment

            #6
            Originally posted by TypeG View Post
            another vote for VSS. later.
            +1 here.
            Bisimoto Engineering
            1) Call 1-888-9BC-MOTO(888-922-6686 ext. 1) Mon-Fri 9am-6pm PST
            2) Email me, robert@bisimoto.com
            3) Contact me on AIM, robert@bisimoto.com

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              #7
              now she says its starting to overheat.. is there any way she can drain some of her coolant out? her idiot of a boyfriend poured alot of water in it.. its more like 80/20 than 50/50... *sigh* all the more reason nobody but me n my dad mess with my car...

              92' Ex - Needs work, but hey! It runs safely
              91' Lx -Car vs IDIOT.. R.I.P.
              RIP 92' Lx... Car vs Concrete.. Car lost.

              Comment

                #8
                She can throw out some water by unscrewing and pulling out the white plastic reservoir next to the radiator. Of course that's only a good idea once she actually has coolant to put in. How was it possible to add water? Is it leaking?

                The VSS shouldn't be hard to replace if you can get to a JY. It might even be a standard part you can get from a chain store.

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