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holstein13's avatar
holstein13
Explorer
Sep 04, 2015

Base Idle, Fast Idle, Non Idle - Best Practices Diesel

What are best practices for idling and what are the theories behind them. For example, I never use my base idle speed unless I'm in traffic or at a red light. Otherwise, I'll high idle (1,000 RPMs) ...
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yrusoslo's avatar
yrusoslo
Explorer
Sep 04, 2015
Well, I don't know about these newer engines, but back when I was a trucker we had throttle cable controls for the idle. It was not good to let a diesel idle for long periods of time. I would sent the idle at about 1000 rpm's, this would get the oil pressure up and this was better for the engine. Today you want to ask someone that works on these newer engines.

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