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Sierra 1500 2WD V8-5.3L
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Engine - MIL ON/DTC P0300/Cyls. 1, 4, 6, Or 7 Misfire
Engine - MIL ON/DTC P0300/Cyls. 1, 4, 6, Or 7 Misfire
This TSB number 08-06-01-018A, dated 08/05/08 has been superceded by TSB number 08-06-01-018D , dated 06/11/09