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RIGHT Lambda Sensor, BEFORE Catalytic Converter. Porsche 958 Cayenne 4.8L 2010-17 ❭ 94860613401
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- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
- Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17
The BOSCH RIGHT Lambda Sensor, Before Catalytic Converter is a precision-engineered engine management and emissions control sensor designed to monitor oxygen levels in the exhaust gases before they enter the catalytic converter on the right-hand exhaust bank. Also known as an upstream oxygen sensor or pre-catalyst lambda sensor, it plays a vital role in maintaining the correct air-fuel mixture for efficient combustion, optimum engine performance, and reduced emissions.
Fits:
- Porsche 958 Cayenne S V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne GTS V8 4.8L Petrol (400Hp) 2010-17
- Porsche 958 Cayenne Turbo V8 4.8L Petrol (500Hp) 2010-17
- Porsche 958 Cayenne Turbo S V8 4.8L Petrol (550Hp) 2010-17
Diagram Ref No 6
The BOSCH sensor continuously measures oxygen content in the exhaust stream and sends real-time data to the engine control unit (ECU). Using this information, the ECU adjusts fuel injection and ignition parameters to maintain the ideal air-fuel ratio, helping to maximise power output, fuel economy, and catalytic converter efficiency. This sensor provides accurate readings, rapid response times, and long-lasting reliability.
What This Product Does:
- Monitors oxygen levels in exhaust gases before the catalytic converter
- Provides real-time feedback to the engine control unit (ECU)
- Helps regulate the air-fuel mixture for efficient combustion
- Supports engine performance and throttle response
- Improves fuel economy and emissions control
- Ensures efficient catalytic converter operation
Symptoms Of Wear Or Failure:
- Check engine light illumination
- Poor fuel economy
- Rough idle or unstable engine operation
- Reduced engine power and acceleration
- Engine hesitation or sluggish throttle response
- Increased exhaust emissions
- Failed emissions or MOT tests
- Oxygen sensor-related fault codes stored in the ECU
Why Replacement Matters:
- Restores accurate air-fuel ratio monitoring
- Improves fuel economy and combustion efficiency
- Enhances engine performance and throttle response
- Reduces harmful exhaust emissions
- Supports proper catalytic converter function and longevity
- Prevents unnecessary engine management warning lights
- Helps maintain emissions compliance and MOT readiness
- Ensures reliable communication between the sensor and ECU for optimum engine operation
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
94860613401
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