Medium and Heavy Trucks
Have Truck Repair Questions? Ask an Expert
Thanks for asking your question. I will try and help you out.
Unfortunately not all trucks have a high idle or fast idle switch. Sorry. If yours has one, it would be located on the dash.
If your truck has cruise control, you can use them to raise the engine rpm.
Please reply back if you need more help or have more questions. I am happy to assist.
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