Buick Regal: Fuel (2.0L Turbo Engine)
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Premium Recommended Fuel
Use premium 93 octane unleaded
gasoline in your vehicle. Unleaded
gasoline with an octane rating as
low as 87 may be used, but it will
reduce performance and fuel
economy.
Fuel (3.6L Engine)
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Regular Fuel
Use only unleaded gasoline rated
87 octane or higher in your vehicle.
Do not use gasoline with an octane
rating lower as it may result in
vehicle damage and lower fuel
economy.
E85 or FlexFuel
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No E85 or FlexFuel
Gasoline-ethanol fuel blends greater
than E15 (15% ethanol by volume),
such as E85, cannot be used in this
vehicle.
READ NEXT:
The engine oil life system calculates
engine oil life based on vehicle use
and displays the CHANGE ENGINE
OIL SOON message when it is time
to change the engine oil and filter.
The oil life system sho
SEE MORE:
SPECIAL TOOLS
EL - 50334 - 20
Multi-Media
Interface Tester
(MIT)
EL - 50334 - 50
USB Cable and
Adapter Kit
EL-48028
Digital Radio Test
Antenna
EL-49903 - 1
Test Antenna, Navn-
Cell Comn
EL-49903 - 2
Adapter Cable-UHF
RT Angle
EL-49903 - 3A
Combiner Kit, Test
Antenna
EL-50334 - 12
Infotainment
Special Tools
EN-47909 Injector Bore and Sleeve Cleaning Kit
EN-49245 Fuel Injector Seal Install/Sizer
EN-50791 Fuel Injector Nozzle Installer
EN-51105 Fuel Injector Seal Installer
For equivalent regional tools, refer to Special Tools.
1.
Remove and inspect the fuel rail insulator assemblies