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My cb7 has a check engine light and won't rev past 4k rpm

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    #1

    My cb7 has a check engine light and won't rev past 4k rpm

    Hi everyone, I'm new here and to the car scene so I'm sorry if this is a simple issue and I can't figure it out haha. Anyway, when I start my cb7 up, doesn't matter the temperature outside, it'll start with a check engine light. If I continue to drive with said light, I won't be able to rev past the 4k rpm mark. I've noticed though, that when I turn the engine off and turn it back on shortly after I don't get the light. Does anyone know what's going on and/or what the solution to my problem is? If it helps, my car will stall a little sometimes and when it does I get the same light and problem. Thank you all
    Tags: None
    #2
    Well I think when it will only go to 4K rpm it's called "limp mode". The car has limited speed to stop any more problems from occurring or so it doesn't die (or kill you). So please stop driving it and let's check the engine light code. After that it's a matter of troubleshooting and fixing.
    https://www.cb7tuner.com/vbb5/forum/...nd-s-d4-errors
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      #3
      Raf99 Thank you! I had no idea it was in limp mode. Is it ok to keep driving for work? Because this is my only car I have running atm. I’ll definitely look at that check engine light though

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        #4
        Raf99 Sorry for the spam, I checked it out and apparently it’s my tdc sensor how would I go about replacing that? Is it ok to keep driving?

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          #5
          Ya, probably best if you take it to a shop and they'll help you out here. To my knowledge, the TDC sensor is located in the Distributor. There may also be oil leaking / contamination in there too.

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            #6
            Ya, probably best if you take it to a shop and they'll help you out here. To my knowledge, the TDC sensor is located in the Distributor. There may also be oil leaking / contamination in there too.

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