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Read the rules: http://www.cb7tuner.com/vbb/showthread.php?t=43956

Myself, and the other mods have been very nice and lenient with the rules. We have been deleting threads, and giving out warnings. Some members didn't get the clue and re-posted over and over... Now ANY member buying or selling in this section will be banned... No IF's AND's or BUT's.
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Here's a good one...

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    #1

    Here's a good one...

    I searched for a bit, and couldn't find these two things together, I'm having a problem with my speedo going in and out while driving, but mostly staying at 0, and this morning, I had the CEL come on(was on my way to work so I couldn't check it) and now my idle has dropped from around 1000 to 500 and pulsing a bit. Had it actually stall once this morning because it was so low. CEL didn't come on, on the trip home. Other than the speedo and at idle, the car is running smooth as normal. Any help would be rad. Thanks
    Tags: None
    #2
    1) Please keep your thread titles descriptive of your problem. That will help knowledgeable people find it, so they can help you... and it will allow future members to be able to search for it. This site is intended to be a database of information, not your own personal helpdesk.

    2) Speedo issues are usually the VSS. Check you connections, and replace that if necessary. It may be a good idea to replace it regardless, as 20 year old sensors tend to fail.

    3) The pulsing idle could be a number of things. Check the sticky at the top of this section for erratic idle fixes. If those things don't work, we can dig deeper.

    If the CEL came on, the error code is most likely still stored. Pull the code, and it will tell you what the problem is. Once we know the code, we'll go from there.






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      #3
      As for pulling the codes, can do in the morning, never see these two things occur together before? I can't see the Vss causing the idle to drop.

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        #4
        try putting dielectric grease in between the VSS connectors before you replace it. Our cars are old, sometimes the contacts don't connect like they should. That saved mine, it was doing the exact same twitching from 0 to the current speed then finally died. Put this grease in and it's been working fine. That COULD solve your problem

        member's ride thread
        93' EX Coupe H22A w/ P2T4 Sir 5spd 191whp 155 wtq
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          #5
          Originally posted by Burn View Post
          As for pulling the codes, can do in the morning, never see these two things occur together before? I can't see the Vss causing the idle to drop.
          Don't assume that the problems are related.






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            #6
            would you say that this speedo dropping to zero happens when the car is warmed up? or does it happen right when you start driving?

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