Forum Discussion
Luke_Porter
Feb 04, 2017Explorer
DutchmenSport wrote:
I have found with my truck (3500 diesel), if I start the engine it will initially run on high idle. Once the engine reaches it's desired temperature, it will shift to low idle. When it does that, I's OK to drive it.
If you put the truck in gear it will shift to low idle---it's OK to drive.
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