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January 1, 2013 Service bulletin

Navistar: while idling in park and not moving, engine's RPM would increase and to reduce back pressure...

International technical service bulletin AFC-13901 for 2010-2012 International Prostar, 2010-2012 International Lonestar and 2010-2012 International Workstar and others.

Bulletin number
AFC-13901
Component
Engine
Summary
Navistar: while idling in park and not moving, engine's RPM would increase and to reduce back pressure setpoints, the engine ECM would require recalibration. Models 2009-2012 lonestar, paystar, prostar, transtar, workstar.

Owners of these vehicles have filed 9 complaints in the engine category.

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