gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

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Fuel System - TOP TIER Detergent Gasoline (Canada)|Page 8628 > < Fuel System - TOP TIER Detergent Gasoline (Canada)|Page 8626

Sierra 1500 2WD V8-5.3L VIN Z Flex Fuel (2006)

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If it is assured that only non-blended (containing E10 or less ethanol) gasoline is in the tank, then directly proceed with ECM programming.

Fuel System - TOP TIER Detergent Gasoline (Canada)|Page 8628 > < Fuel System - TOP TIER Detergent Gasoline (Canada)|Page 8626