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Question about VTEC...

Discussion in 'General Tech and Maintenance' started by Inseino, Oct 31, 2005.

  1. Inseino

    Inseino Junior Member

    Likes Received:
    Jun 16, 2005
    I got a 90 CRX Si with a B16A in it. I was wondering how can you tell if your vtec is engaging or not? My ECU hasn't been touched so I figure it should be coming on around 5800 rpm. But how noticeable is it? I had a problem with my car for a long time and I finally figured out that my TPS sensor wasn't grounded properly. Once I fixed that and timed the car perfect, she's running smoother than ever. So smooth in fact, that I can't tell whether or not the vtec is engaging. And now I'm wondering if its engaging at all. Is there anyway I can check?
  2. reikoshea

    reikoshea HS Troll...And Mod Moderator VIP

    Likes Received:
    Apr 27, 2005
    Dallas, TX
    about the only thing that i could think if is hooking up an led inside when the circuit on your pressure switch is complete.
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