Lambda oxygen sensor, AFTER Catalytic converter. Porsche 997 2006>>  ❭  99760617701

Lambda oxygen sensor
This OE match lambda oxygen sensor is a direct replacement for the original Porsche component used in 997 models from 2006 onwards. It is installed in the exhaust system, typically after the catalytic converter, to monitor oxygen levels in exhaust gases. Positioned after the catalytic converter, the sensor continuously measures oxygen content in the exhaust stream and relays this information to the engine control unit for emissions monitoring and system optimisation.

Fits
Porsche 997 C2/4 2006>> (AFTER Catalytic converter)

Function:
The Oxygen Sensor (also known as Lambda Sensor) is located in the exhaust manifold and measures the amount of unburned oxygen in your engine's exhaust. Based on the amount of oxygen, it sends a signal to your engine computer which then adjusts the air/fuel mixture for optimum engine performance and emission control. 

Failure Symptoms:
• Excessive fuel consumption, a faulty oxygen sensor can waste 30% of your fuel.
• Drivability problems, such as engine surging or hesitation.
• High hydrocarbon emissions, failing an emissions inspection.
• The engine warning light may be on or service flag displayed.
• The ecu/computer stores a mixture-related fault code.
• When the oxygen sensor has stopped functioning completely, the catalytic converter may overheat and fail

Maintenance / Service:
• Test and/or replace every 30,000 miles.
• Perform periodic emission checks.
• Watch for service light.
• Vehicle manufacturers recommend periodic inspection and replacement of oxygen sensor.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

99760617701

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