Low idle/stalling with A/C on.

Discussion in 'Dodge 2nd Gen Cummins 5.9 (12v)' started by SoCal98TwelveValveAuto4x4, Feb 27, 2008.

  1. SoCal98TwelveValveAuto4x4

    SoCal98TwelveValveAuto4x4 Well-Known Member

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    Any ideas? The A/C bogs it down and it gradually slows down until it dies while idling.
     
    SoCal98TwelveValveAuto4x4, Feb 27, 2008
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  2. RJF's Red Cummins

    RJF's Red Cummins TRC Staff Moderator

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    Too much freeon in the system or the pump is getting ready to lock up..??..
     
    RJF's Red Cummins, Feb 29, 2008
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  3. SoCal98TwelveValveAuto4x4

    SoCal98TwelveValveAuto4x4 Well-Known Member

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    Interesting thought. I hadn't considered a problem with the A/C. The pump is hotrodded and I think the idle was just set too low. I bumped it up and now it's fine. I might have it a little high, see any problem with that? The manual says 780 RPM with AC on so that's about what I did, but now it runs just under 1k with the AC off.
     
    SoCal98TwelveValveAuto4x4, Feb 29, 2008
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