Does a 2015 Duramax have high idle?
Elevated idle (from the DIC) is a standard feature. High Idle (park brake, cruise control set button) isnt. Correct, though “Elevated Idle” is now automatic on the ’15’s. It can not be disabled.
Why is my GMC idling high?
Malfunctioning Throttle: A malfunctioning throttle system can cause both a high or low idle as well as an engine stall. A dirty air intake or cracked air intake tube is often the culprit. Computer Malfunction: If the powertrain control module is malfunctioning, idle speed may be affected.
What is elevated idle on a 2016 Duramax?
You have elevated idle, which is an automatic high idle that every truck has and does automatically when its cold, and then you have high idle, which is controlled manually regardless of temperature. Not every truck has high idle, but the dealer can install it if you don’t.
Why does my truck idle high in park?
Car idling high in park and neutral can be caused by a few things. The most common cause is a vacuum leak. Other causes could be a dirty throttle body, incorrect ignition timing, or a faulty idle control valve. The car’s idle speed is too high when the car is in park or neutral.
How often does 2015 Duramax Regen?
Registered. Yup, about once per tank, takes 20 minutes and a gallon of diesel, and only burns over about 25 mph.
How often should my LML Regen?
On an LML the active regen process initiates once 42 grams of soot have collected in the DPF or after 700 miles without active regen (whichever comes first).
Is it better to high idle a diesel?
For those who idle their trucks for long durations (tradespeople, whatever) it keeps the oil pressure and engine temps higher which is overall better for the engine.
Is it bad to drive a diesel cold?
The best solution to cold weather diesel starting problems is to avoid them by being prepared for cold weather before it happens. Diesel engines are harder to start in cold weather because they depend on high temperatures created by compression to ignite the injected fuel.