Buick Regal 2018-2024 Owners Manual / In Brief / Performance and Maintenance / Fuel (2.0L Turbo Engine)
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:
Engine Oil Life System
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:
Evaporative Emission System Diagnosis
Special Tools
CH-44284-2 Fuel Flapper Door Holder
EN-41413-VLV EVAP Service Port Vent Fitting
GE-41415-60 Engine Induction System Leak Test Adapter/Capless Fuel Fill
Adapter
Operating Instructions for the Evaporative Emission System Tester
Vehicle Setup
WARNING: Refer to Fuel and Evaporative
Front Wheel Drive Half Shaft Replacement - Right Side (AWD)
Special Tools
DT-45859 Axle Remover
Equivalent regional tools:Special Tools
Removal Procedure
1. Raise and support the vehicle.
2. Remove the right front tire and wheel assembly.
3. With the aid of an assistant holding the brake pedal down, use a breaker bar
and the proper size socket to
loosen
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