OK, my APU quit on me. Pretty sure it’s the starter. My bunk heater won’t run without the APU running. Thermoking isn’t open on the weekends. But there is one located close to my delivery point on Monday morning so will be getting it fixed after delivering.
It is in the mid 20s in Indiana right now and the truck won’t idle unless it is below 20.
I drive a 2015 Kenworth t680 and need a way to keep it idling.
It will only idle 5 mins if the tractor brake is set. Bumping the cruise up to 900 rpm won’t keep it idling.
Releasing the tractor brakes will let it idle 15 mins. Wedging the pedal down to put my RPM at 1300 won’t stop it from shutting down after 15 mins.
It’s an automatic and even if I put it drive and let it idle it will still shut down after 15 mins.
I can hit the throttle to keep it idling when it starts to shut down, but this needs to be done every 5 or 15 mins.
Anybody have any other ideas?
I’m half tempted to remove the drivers side mirror and cut the wires to the temperature sensor which is sticking out of the casing to see if that works. Can’t get to it from under the hood and can’t get to it by removing the instrument cluster.
It’s a leased truck, not a company truck, and I do plan to have a word with leasing on Monday about why leasers can’t idle since we are paying for the fuel and maintenance.
And it’s a certified clean idle, so those “no idling diesel powered vehicles over 5 tons” laws don’t apply to it.

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