2004 CHEVROLET CORVETTE OXYGEN SENSOR
What They Do: Measure the amount of oxygen in exhaust and signal computer to adjust air/fuel ratio.
Failure Symptoms: Low voltage output or slow reaction causes poor performance and economy, high emissions.
Maintenance/Service: Perform periodic emissions checks. Replace according to manufacturer's specifications or every 25,000-30,000 miles. Watch for service flag or Malfunction Indicator Lamp.
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