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6-1. Specifications
Cooling system
Capacity
Coolant type
Ignition system (IS250 only)
Spark plug
Make
Gap
NOTICE
Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust gap when tuning the
engine.
544
IS250/220d/200d_EE
IS250
10.3 L (10.9 qt., 9.1 Imp. qt.)
IS220d (without power heater)
8.8 L (9.3 qt., 7.7 Imp. qt.)
IS200d (without power heater)
8.7 L (9.2 qt., 7.7 Imp. qt.)
IS220d and IS200d (with power heater)
9.0 L (9.5 qt., 7.9 Imp. qt.)
Use either of the following.
• "Toyota Super Long Life Coolant"
• Similar high-quality ethylene glycol-based
non-silicate, non-amine, non-nitrite, and non-
borate coolant with long-life hybrid organic
acid technology
Do not use plain water alone.
DENSO FK20HBR11
1.1 mm (0.043 in.)
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