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Old 03-02-2020, 09:15 AM   #1
Join Date: Oct 2016
Posts: 24
Chassis: 2002 Thomas MVP FE
Engine: 5.9 Cummins, 24 valve, AT545
Rated Cap: 78
5.9 24v idle speed in a Thomas.

Okay Iíve got a 2002 Thomas MVP-EF with a 5.9 24v Cummins and an AT545. Itís not the best combo but it works for my needs. Anyways, the tach is dead. Got a replacement to install but Iím not sure what the idle speed or high idle speed is on this engine. Does anyone have a similar bus that can help clue me in? I just want to make sure itís calibrated correctly.


xrolo98 is offline   Reply With Quote
Old 05-30-2020, 03:22 PM   #2
Join Date: Mar 2020
Location: Anywhere we can park (currently PA)
Posts: 134
Year: 2004
Coachwork: International
Chassis: RE300
Engine: DT466E
Rated Cap: 76
IIRC, the idle speed is 750 - 800 RPM when in gear. It will be lower when in neutral, probably 600 - 700.
jjaj823 is offline   Reply With Quote

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