2005 LEXUS LS430 spark plugs

SECTION 6 – 2
443
SERVICE PROCEDURES AND
SPECIFICATIONS316.
Engine
Specifications444
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Fuel 447
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Fuel pump shut off system 449
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Facts about engine oil consumption 450
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Used engine oil 451
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Checking the engine oil level 452
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Checking the engine coolant level 455
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Checking the radiator and condenser 457
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Spark plugs 457
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ENGINE
457
330.CHECKING THE RADIATORAND CONDENSER
If either of the above parts are extremely dirty or you are not
sure of their condition, take your vehicle to your Lexus dealer.
CAUTION
To prevent burning yourself, be careful not to touch the
radiator or condenser when the engine is hot.
NOTICE
To prevent damage to the radiator and condenser, do
not perform the work by yourself.
331.SPARK PLUGS
62R031c
Your engine is fitted with iridiumtipped spark plugs.
NOTICE
Use only iridiumtipped spark plugs and do not adjust
gaps for your engine performance and smooth
drivability.