Cadillac ATS AWD V6-3.6L Technical Problem # 04-06-04-047K Date: 120719
Fuel System - TOP TIER Detergent Gasoline
INFORMATION
Bulletin No.: 04-06-04-047K
Date: July 19, 2012
Subject: -TOP TIER Detergent Gasoline (Deposits, Fuel Economy, No Start, Power, Performance, Stall Concerns) U.S. Only
Models:
2013 and Prior GM Passenger Cars and Trucks (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 04-06-04-047J (Section 06 - Engine/Propulsion System). In Canada, refer to the latest version of Corporate Bulletin Number 05-06-04-022.
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.
Gasoline Brands (U.S.) That Currently Meet TOP TIER Detergent Gasoline Standards
As of July 1, 2012, all grades of the following gasoline brands meet the TOP TIER Detergent Gasoline Standards:
- 76 Stations
- Aloha Petroleum
- Chevron
- Conoco
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- CountryMark
- Entec Stations
- Exxon
- Hawaii Fueling Network (HFN)
- Holiday Stationstores Inc.
- Kwik Trip Kwik Star
- MFA Oil Co.
- Mileage Stations
- Mobil
- Ohana Fuels
- Phillips 66
- Quick Trip
- Rebel Oil
- Road Ranger
- Severson Oil
- Shell
- Texaco
- Tri-Par Oil Co.
- U.S. Oil
What is TOP TIER Detergent Gasoline?
TOP TIER Detergent Gasoline is a new class of gasoline with enhanced detergency. It meets new, voluntary deposit control standards developed by
six automotive companies that exceed the detergent requirements imposed by the EPA.
Where Can TOP TIER Detergent Gasoline Be Purchased?
The TOP TIER program began on May 3, 2004 and many fuel marketers have joined the program and have introduced TOP TIER Detergent
Gasoline. This is a voluntary program and not all fuel marketers will offer this product. Once fuel marketers make public announcements, they will
appear on a list of brands that meet the TOP TIER standards.
Where Can I find the Latest Information on TOP TIER Fuel and Retailers?
On the web, please visit www.toptiergas.com for additional information and updated retailer lists.
Who developed TOP TIER Detergent Gasoline standards?
TOP TIER Detergent Gasoline standards were developed by six automotive companies: Audi, BMW, General Motors, Honda, Toyota and
Volkswagen.
Why was TOP TIER Detergent Gasoline developed?
TOP TIER Detergent Gasoline was developed to increase the level of detergent additive in gasoline. The EPA requires that all gasoline sold in the
U.S. contain a detergent additive. However, the requirement is minimal and in many cases, is not sufficient to keep engines clean. In order to meet
TOP TIER Detergent Gasoline standards, a higher level of detergent is needed than what is required by the EPA. Also, TOP TIER was developed to
give fuel marketers the opportunity to differentiate their product.
Why did the six automotive companies join together to develop TOP TIER?
All six corporations recognized the benefits to both the vehicle and the consumer. Also, joining together emphasized that low detergency is an issue
of concern to several automotive companies.
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What are the benefits of TOP TIER Detergent Gasoline?
TOP TIER Detergent Gasoline will help keep engines cleaner than gasoline containing the "Lowest Additive Concentration" set by the EPA. Clean
engines help provide optimal fuel economy and performance and reduced emissions. Also, use of TOP TIER Detergent Gasoline will help reduce
deposit related concerns.
Disclaimer
