Lambda Sensor, AFTER Catalytic Converter. Porsche 991.1 R / GT3 / GT3 RS 2014-16  ❭  9A160619181

Lambda Sensor, AFTER Catalytic Converter.

The BOSCH Lambda Sensor, After Catalytic Converter is a critical emissions control component designed to monitor the oxygen content of exhaust gases after they pass through the catalytic converter. Also known as a post-catalyst oxygen sensor, it provides continuous feedback to the engine control unit (ECU) to assess catalytic converter efficiency and ensure the emissions control system is operating correctly.
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Fits:

• Porsche 991.1 R 4.0L (500 Bhp) 2016
• Porsche 991.1 GT3 3.8L (475 Bhp) 2014-16
• Porsche 991.1 GT3 RS 4.0L (500 Bhp) 2015-16

  
Diagram Ref No 24

This BOSCH sensor accurately measures residual oxygen levels in the exhaust stream, allowing the ECU to monitor catalyst performance and identify potential emissions-related issues. It plays a vital role in maintaining emissions compliance, engine management efficiency, and overall vehicle reliability.

What This Product Does:

• Monitors oxygen levels in exhaust gases after the catalytic converter
• Measures catalytic converter efficiency and effectiveness
• Provides real-time data to the engine control unit (ECU)
• Supports emissions control system monitoring and diagnostics
• Helps ensure compliance with emissions regulations
• Assists in detecting catalytic converter and exhaust system faults

Symptoms Of Wear Or Failure:

• Check engine light illumination
• Catalytic converter efficiency fault codes
• Failed emissions or MOT inspections
• Increased exhaust emissions
• Reduced fuel economy in some cases
• Engine management warning messages
• Oxygen sensor-related diagnostic trouble codes (DTCs)
• Inaccurate catalytic converter monitoring data

Why Replacement Matters:

• Restores precise exhaust oxygen measurement
• Ensures correct catalytic converter efficiency monitoring
• Helps maintain emissions compliance and MOT readiness
• Prevents persistent engine management warning lights
• Supports proper ECU diagnostics and emissions system operation
• Allows accurate detection of catalyst-related faults
• Reduces harmful exhaust emissions
• Maintains long-term reliability and performance of the emissions control system

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9A160619181

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