Why idle?
Did a search but didn't find exact question so..I went into work yesterday and a service truck was parked by our entrance with the back open and it was idling (not a big deal, happens often) I went ba...
Forum Discussion
phenrichs wrote:
Depending on what vehicle it was. I have heard on some of the newer ones that they have a regen cycle to clean the DPF filter in the exhaust that requires a higher idle for a period of time. Owner might have just left it to complete the cycle and forgot. Or it was a company truck and they don't pay for the fuel.
Not quite true. The newer DPF equipped trucks don't actually regen unless you are moving. For the GM Duramax trucks its about 30MPH. The higher idle is just to keep the EGTs up until you are underway again.
