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    Idle speed, Mercruiser 2.8 165hp D-tronic

    I don't feel comfortable posting my phone number on here, but trouble shooting often requires a more direct form of contact than via a slow chat in a forum topic. I would post the solution if Aye Cap'n wouldn't do it because I highly value forum information. I had to figure out everything myself...
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    Idle speed, Mercruiser 2.8 165hp D-tronic

    Also, there's no need or reason (or diy doable) way to adjust the idle setpoint. Something is wrong that needs fixing and it's not the value. There is however a way to tweak the idle rpm by about 100 by connecting or disconnecting a wire in the electronics box, but leave that alone for now...
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    Idle speed, Mercruiser 2.8 165hp D-tronic

    Ps don't worry about the pcm reference voltage. That's about the right range of value to see on your Rinda scanner. Even on my bench testing setup with no loads connected and sweeping through different input voltages. It has to do with how the injection quantity adjuster feedback sensor works...
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    Idle speed, Mercruiser 2.8 165hp D-tronic

    Check your PM!!
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