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They do. On a hot day, it may be too hot to stay in the truck without air conditioning. If the truck doesn't have an Auxiliary Power Unit (APU), the only way to run the AC is to idle the motor. On a particularly cold night, the same applies, especially if the temperature is going to be under 20 degrees, at which point, there's risk of the fuel gelling up. The motor needs to be run to keep the tank heaters going.
In instances of a truck not being shut off while taking fuel, or being left running while stopped for short periods of time, it's actually the recommended practice - idling the motor down for a few minutes helps evacuate and cool down the turbo, which in turn preserves the seal on the turbo.
What else can I help you with?
Key turn truck on but will not turn truck off?
Probably a bad ignition switch.
How do I Turn off headlights on 2000 Chevy silverado?
You can only do this in park ... Turn off your truck ,apply the parking brake and turn your truck back on .
Why can't you turn your car off?
Car engines have at least 30 gallons of fuel. Truck, Jeep, any car works with 30 gallons. Ask for more.
How do i turn off the air horn in my truck?
There really is only one way to turn off the air horn in a truck. You need to disconnect the horn.
What causes a truck radio to turn off and truck stalls?
a dead battery
How to use the air bag switch on a Ford Ranger 2001 truck?
You either turn it on or off. Whenever you have children in the truck with you, turn the switch to the off position.
Avalanche wipers wont turn off unless you turn the truck off?
sounds like a wiper switch contact is sticking i have the same problem on a old dodge truck
Why do the heated seats for a 2004 GMC truck turn off?
There is a update programfor the drivers door module for this concern slaoshould be scaned for codes there are concerns with rubbed through wires also causing this.
How do you turn off the radio without turning off the truck?
Does your truck radio have a power switch on it ? If so, then just push and hold.
Are jet engines dangerous?
Yes they are because jet engines are very powerful. Warning: Do not get too close before the engines turn off. You must wait until the engines are turned off then you're good enough to get close but the engines must be completely shut off and not move.
Do Indy drivers turn off their radios during a red flag?
no
How do you turn off the alarm without the remote?
Unlock the drivers door with the key or insert the key into the ignition switch and turn the switch to the on position will turn off the alarm.
