when should iridium spark plugs be changed?
70

Asked by Emelody Oct 20, 2017 at 02:23 PM about the 2010 Toyota Avalon Limited

Question type: Maintenance & Repair

3 Answers
159,075

Bob answered 7 years ago

Ignore the troll..... Iridium plugs should be changed at the same interval as platinum plugs. Usually 100,000 miles is the normal interval, but refer to your owner's manual for the exact mileage recommended for spark plug service.

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10

whistleworks answered 6 years ago

120,000 mile interval for my 2002 Avalon according to the scheduled maintenance guide. Required under the terms of the Emission Control Warranty.

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