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Question Asked: engine light came on said knock sensor is bad y is that
June 09, 2014, 06:07 AM
car started loosing power
Problem Reported: Check Engine Light Due to Failed Oxygen Sensor Component
September 15, 2010, 10:07 PM

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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