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August 19, 2016 Service bulletin

An investigation of returned number 1 and 2 egt sensors to the warranty parts center has identified a...

Chevrolet technical service bulletin IB15-L-001A for 2007-2009 Chevrolet C Series, 2007-2009 GMC C Series and 2007-2017 Isuzu N-Series and others.

Bulletin number
IB15-L-001A
Component
Fuel system, other
Summary
An investigation of returned number 1 and 2 egt sensors to the warranty parts center has identified a common occurrence of sensors being replaced with “no trouble found” (ntf). In order to better service the customer and stop the unnecessary replacement of these sensors, isuzu has provided the following inspection information to aid the technician in properly diagnosing egt sensors 1 and 2.

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