octane TOYOTA PRIUS PLUG-IN HYBRID 2017 Owners Manual

6989-1. Specifications
PRIUS PHV_OM_OM47A89E_(EE)
■Engine number
The engine number is stamped
on the engine block as shown.
Engine
Model2ZR-FXE
Ty p e4-cylinder in line, 4-cycle, gasoline
Bore and stroke80.5  88.3 mm (3.17  3.48 in.)
Displacement1798 cm3 (109.7 cu.in.)
Valve clearanceAutomatic adjustment
Fuel
Fuel type
EU area:
Unleaded gasoline conforming to European
standard EN228 only
Except EU area:
Unleaded gasoline only
Research Octane Number95 or higher
Fuel tank capacity
(Reference)43 L (11.4 gal., 9.5 lmp.gal.)

7069-1. Specifications
PRIUS PHV_OM_OM47A89E_(EE)
Fuel information
■Use of ethanol blended gasoline in a gasoline engine
Toyota allows the use of ethanol blended gasoline where the ethanol content
is up to 10%. Make sure that the ethanol blended gasoline to be used has a
Research Octane Number that follows the above.
■If your engine knocks
●Consult any authorized Toyota dealer or repairer, or another duly qualified
and equipped professional.
●You may occasionally notice light knocking for a short time while accelerat-
ing or driving uphill. This is normal and there is no need for concern.
EU area:
You must only use unleaded gasoline conforming to European
standard EN228.
Select unleaded gasoline with a Research Octane Number of 95
or higher for optimum engine performance.
Except EU area:
You must only use unleaded gasoline.
Select unleaded gasoline with a Research Octane Number of 95
or higher for optimum engine performance.