Car Problem Reports

Toyota Highlander Check Engine Light Due to Failed Oxygen Sensor Component

 
Toyota Highlander Problem
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Model Years Affected: 2001, 2002

Average Mileage: 88,714 mi (50,000 mi - 135,000 mi)

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The Check Engine Light may illuminate because a component of the oxygen sensor stops working. As a result the engine computer is unable to determine the proper ratio of air to fuel for the engine. Replacing the failed oxygen sensor should correct this concern.

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