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2006
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Sierra 2500 2WD V8-6.6L DSL Turbo
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Technical Service Bulletins
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Superceded Bulletins
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Engine Controls - MIL ON/Poor Performance/Smoke/DTC's
Engine Controls - MIL ON/Poor Performance/Smoke/DTC's
This TSB number 06-06-04-066B, dated 05/01/08 has been superceded by TSB number 06-06-04-066D , dated 02/06/09