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Can A Bad O2 Sensor Cause A Flashing Engine Light? [Solved]

A failed O2 sensor is the most common cause of a flashing check engine light. The O2 sensor is a critical part of the exhaust system, monitoring how much unburned oxygen is exiting the engine in the exhaust.12 Dec 2014

SYMPTOMS OF A BAD OXYGEN SENSOR

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Bad Oxygen Sensor Symptoms and Dangers

Oxygen Sensors

Common Check Engine Light Causes: Oxygen Sensor

If your check