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July 10, 2009 Service bulletin

Mack: low nox idle, does not function with hand throttle

Mack technical service bulletin PI-0684 for 2008-2009 Mack Gu, 2008-2009 Mack Cxu and 2008-2009 Mack Chu.

Bulletin number
PI-0684
Component
Electrical system: software
Summary
Mack: low nox idle, does not function with hand throttle. The electronic hand throttle on certain chu, cxu, gu and td model chassis when engaged, will override the low nox idle compliance. A list of affected chassis has been sent to all applicable dealers.

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