Home Tips & Tricks 2008 Chevy Truck HHR TOP TIER Detergent Gasoline (Deposits, Fuel Economy, No...

2008 Chevy Truck HHR TOP TIER Detergent Gasoline (Deposits, Fuel Economy, No Start, Power, Performance

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Download 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.