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TSB Document:

Affected Component: FUEL SYSTEM, DIESEL

Summary
This informational bulletin provides information to dealership personnel on identifying Duramax Diesel overpower engine breakdown or non-function due to aftermarket power-up devices vs. non overpower engine non-function of pistons, cylinders, valve train components, and DTC P003A or P111D set.

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Date Published
OCT 02, 2015
NHTSA TSB #
10126346
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