H2 V8-6.2L (2008)
Fuel: Technical Service Bulletins
Fuel System - TOP TIER Detergent Gasoline Information
INFORMATION
Bulletin No.: 04-06-04-047H
Date: June 24, 2008
Subject:
TOP TIER Detergent Gasoline (Deposits, Fuel Economy, No Start, Power, Performance, Stall Concerns) - U.S. Only
Models:
2009 and Prior GM Passenger Cars and Trucks (including Saturn) (U.S. Only)
2003-2009 HUMMER H2 (U.S. Only)
2006-2009 HUMMER H3 (U.S. Only)
2005-2009 Saab 9-7X (U.S. Only)
Supercede:
This bulletin is being revised to add model years and additional sources to the Top Tier Fuel Retailers list. Please discard Corporate Bulletin Number
04-06-04-047G (Section 06 - Engine/Propulsion System). In Canada, refer to Corporate Bulletin Number 05-06-04-022D.
A new class of fuel called TOP TIER Detergent Gasoline is appearing at retail stations of some fuel marketers. This gasoline meets detergency standards
developed by six automotive companies. All vehicles will benefit from using TOP TIER Detergent Gasoline over gasoline containing the "Lowest
Additive Concentration" set by the EPA. Those vehicles that have experienced deposit related concerns may especially benefit from the use of TOP
TIER Detergent Gasoline.
Intake valve: 10,000 miles with TOP TIER Detergent Gasoline
Intake valve: 10,000 miles with Legal Minimum additive
Gasoline Brands That Currently Meet TOP TIER Detergent Gasoline Standards
As of November 15, 2006, all grades of the gasoline brands shown above meet the TOP TIER Detergent Gasoline Standards.
