Fuel; Service Specifications; Or Higher - Toyota 2001 Prius Owner's Manual

Fuel

Fuel type:
Unleaded gasoline, Octane Rating 87
(Research Octane Number 91) or
higher
Fuel tank capacity, L (gal., lmp. gal.):
45 (11.9, 9.9)
Hybrid vehicle battery
Type: Valve regulated Nickel–Metal
hydride battery
Voltage: 7.2 V
Capacity: 6.5 Ah (3HR)
Quantity: 38
Overall voltage: 273.6 V

Service specifications

ENGINE
Valve clearance (engine cold), mm (in.):
Intake 0.17—0.23 (0.007—0.009)
Exhaust 0.27—0.33 (0.011—0.013)
Spark plug type:
DENSO SK16R11
NGK IFR5A11
Spark plug gap, mm (in.):
1.1 (0.043)
233