Digiplex ECU Vacuum Unplugged WHY? | FerrariChat

Digiplex ECU Vacuum Unplugged WHY?

Discussion in 'Technical Q&A' started by BillyD, Jan 15, 2020.

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  1. BillyD

    BillyD Formula 3
    Silver Subscribed

    Feb 28, 2004
    1,774
    Pacific Northwest
    Full Name:
    Bill
    So while working on my 83 USA Mondial QV I noticed the vacuum line to the ignition boxes was unplugged. I did a quick search on F-Chat and found very little info as to why. Any ideas why it would be disconnected?
    Thanks
     
  2. Rifledriver

    Rifledriver Three Time F1 World Champ

    Apr 29, 2004
    33,736
    Austin TX
    Full Name:
    Brian Crall
    Not a single good reason. Being disconnected should advance the timing considerably. Plug it in. If the idle doesn't drop considerably something is wrong.
     
    brian.s likes this.

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