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GMC Truck
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1991
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Syclone V6-262 4.3L Turbo
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Repair and Diagnosis
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Superceded Bulletins
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Spark Plug - New Design
Spark Plug - New Design
This TSB number 916D76, dated 03/01/91 has been superceded by TSB number 936D2 , dated 09/01/92