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Lambda Sensors / Probes
By OE Match
- Porsche 970.1 Panamera S Hybrid V6 3.0L 2011-13
- Porsche 970.2 Panamera S E-Hybrid V6 3.0L (416Hp) 2014-16
The OE MATCH Lambda/Oxygen Sensor is a replacement exhaust-gas sensor designed for installation in the post-catalytic converter (downstream) position on compatible Porsche applications.
Fits:
- Porsche 970.1 Panamera S Hybrid V6 3.0L 2011-13
- Porsche 970.2 Panamera S E-Hybrid V6 3.0L (416Hp) 2014-16
Diagram Ref No 11
Also known as an O2 sensor, lambda sensor or lambda probe, this component measures the oxygen content of the exhaust gases after they have passed through the catalytic converter. The information is sent to the vehicle's engine control unit (ECU), allowing the emissions-management system to monitor catalytic converter operation and identify abnormal exhaust conditions.
What This Product Does:
The oxygen sensor measures the amount of residual oxygen present in the exhaust gases and converts this information into an electrical signal that can be interpreted by the ECU.
Because this sensor is located after the catalytic converter, its role is primarily associated with monitoring exhaust conditions downstream of the catalyst.
The catalytic converter is designed to reduce harmful exhaust emissions. By comparing relevant sensor information before and after the catalyst, the engine-management system can assess whether the catalytic converter is performing as expected.
A correctly functioning post-cat oxygen sensor helps:
- Monitor catalytic converter efficiency
- Measure oxygen levels downstream of the catalyst
- Support onboard emissions diagnostics
- Detect abnormal catalyst performance
- Provide accurate exhaust information to the ECU
- Identify emissions-system faults
- Support correct engine-management monitoring
Symptoms Of Wear Or Failure:
Lambda sensors operate in a particularly demanding environment, exposed to extremely hot exhaust gases and repeated heating and cooling cycles.
Over time, the sensing element can become contaminated or respond more slowly. Wiring and electrical connections can also deteriorate.
Common symptoms of a worn or failed post-cat oxygen sensor include:
- Check Engine Light / engine-management warning light
- Stored oxygen-sensor fault codes
- Emissions-related diagnostic trouble codes
- Catalyst-efficiency fault codes
- Failed emissions testIncorrect or unstable sensor readings
- Slow sensor response
- Intermittent engine-management warnings
- Increased exhaust emissions
- Abnormal diagnostic live-data readings
- Damaged sensor wiring
- Corroded or damaged electrical connections
Depending on the vehicle and the nature of the fault, other engine-management or efficiency symptoms may also occur.
Why Replacement Matters:
Accurate oxygen-sensor information is important for the operation of the vehicle's engine management and emissions-control systems.
A sensor that becomes slow, inaccurate or completely inoperative may prevent the ECU from reliably monitoring exhaust conditions after the catalytic converter.
Replacing a confirmed defective post-cat lambda sensor helps restore:
- Accurate exhaust oxygen measurement
- Reliable catalytic converter monitoring
- Correct emissions-system diagnostics
- Consistent ECU feedback
- Proper onboard diagnostic operation
- Reduced likelihood of recurring sensor-related fault codes
Prompt replacement also makes it easier to distinguish genuine catalytic converter problems from incorrect readings caused by a deteriorated sensor.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
97060617601
The product you are viewing cross references to these numbers
.jpg?width=197 "LEFT Lambda Sensor, BEFORE Catalytic Converter. Porsche 958 Cayenne / 970 Panamera - 95860613301, 95860613300 - 114379")
- Porsche 958 Cayenne S V6 3.0L Hybrid (380Hp) 2010-17
- Porsche 970.1 Panamera S Hybrid V6 3.0L 2011-13
- Porsche 970.2 Panamera S E-Hybrid V6 3.0L (416Hp) 2014-16
Restore accurate air-fuel mixture monitoring and dependable engine-management operation with this OE Match LEFT Lambda Sensor. Designed for compatible Porsche applications, this sensor is fitted on the LEFT side BEFORE the catalytic converter, where it measures oxygen levels in the exhaust gases leaving the engine.
Fits:
- Porsche 958 Cayenne S V6 3.0L Hybrid (380Hp) 2010-17
- Porsche 970.1 Panamera S Hybrid V6 3.0L 2011-13
- Porsche 970.2 Panamera S E-Hybrid V6 3.0L (416Hp) 2014-16
Diagram Ref No 13
Also known as an oxygen sensor, O2 sensor or lambda probe, the pre-catalyst lambda sensor provides the engine control unit (ECU) with essential information about combustion conditions. By measuring the amount of residual oxygen in the exhaust, it helps the ECU determine whether the engine is operating richer or leaner than intended.
The ECU can use this feedback to adjust fuel delivery, helping maintain the correct air-fuel mixture under changing engine speeds, loads and operating conditions. Accurate lambda sensor operation contributes to efficient combustion, smooth performance, controlled emissions and effective catalytic converter operation.
Lambda sensors work in an extremely demanding environment and are continually exposed to high exhaust temperatures, vibration, moisture, combustion deposits and repeated thermal cycling. Over time, the sensing element can become contaminated or slow to respond, while the heater circuit, wiring and electrical connections may also deteriorate.
This OE Match LEFT Lambda Sensor provides a high-quality replacement for a confirmed faulty, contaminated or slow-response pre-catalyst sensor.
What This Product Does:
- Measures oxygen content in the exhaust gases.
- Fits the LEFT-side exhaust system where specified.
- Operates BEFORE the catalytic converter.
- Sends exhaust-mixture information to the ECU.
- Helps determine whether combustion is rich or lean.
- Supports closed-loop fuel control.
- Allows the ECU to make appropriate fuel corrections.
- Helps maintain the intended air-fuel mixture.
- Supports smooth idle and consistent engine performance.
- Helps maintain responsive acceleration.
- Contributes to efficient fuel consumption.
- Helps control exhaust emissions.
- Supports effective catalytic converter operation.
- Provides information used for engine diagnostics.
- Replaces a slow, inaccurate, contaminated or failed lambda sensor.
Symptoms Of Wear Or Failure:
- Check engine or engine-management warning light.
- Lambda or oxygen sensor fault codes.
- Left-bank oxygen sensor faults.
- Rich or lean mixture fault codes.
- Increased fuel consumption.
- Rough or unstable idle.
- Engine hesitation.
- Poor throttle response.
- Reduced engine performance.
- Uneven engine operation.
- Engine misfires.
- Difficult starting.
- Increased exhaust emissions.
- Failed emissions test.
- Strong fuel smell from the exhaust.
- Slow lambda response during diagnostic testing.
- Implausible oxygen sensor readings.
- Intermittent sensor operation.
- Oxygen sensor heater circuit fault.
- Damaged or heat-affected wiring.
- Corroded or damaged electrical connector.
Why Replacement Matters:
- The before-catalyst lambda sensor plays an important role in maintaining the correct engine air-fuel mixture.
- Once the engine reaches the appropriate operating conditions, the ECU can use lambda feedback to continuously refine fuel delivery. The sensor needs to react accurately as engine load, speed and operating conditions change.
- A worn lambda sensor does not always stop functioning completely. Instead, it may become progressively slower or less accurate.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95860613301
The product you are viewing cross references to these numbers
OEMatch Lambda Sensors / Probes — Fit, Function, Confidence
OEMatch Lambda Sensors / Probes components are compatible replacements engineered to original-spec dimensions and tolerances — a practical option when genuine or OEM parts are unavailable. Lambda sensors measure oxygen in exhaust gases and report to the engine control unit so fuel injection and ignition are adjusted for correct combustion in Porsche models, helping to maintain efficient running and emissions control.
Available Types
- Narrowband heated zirconia sensors for stoichiometric control
- Wideband (UEGO) sensors for precise air-fuel ratio feedback
- Pre-catalyst and post-catalyst probes for exhaust monitoring
Understanding OEMatch Lambda Sensors / Probes
OEM (Original Equipment Manufacturer) parts are made by the same company that produced your Porsche’s original lambda sensors / probes.
OE (Original Equipment) refers to parts matching original specifications for the lambda sensors / probes and may be supplied by alternative manufacturers. Aftermarket parts offer alternative options, sometimes with enhanced features or better value. OEMatch supplies non-OEM lambda sensors / probes engineered as direct-fit alternatives to OEM parts, made to original-spec dimensions and tolerances for Porsche models.
Lambda sensors detect oxygen content in exhaust gases and provide a feedback signal used by the ECU to regulate fuel delivery and maintain correct combustion. Sensor designs vary by application; heated elements assist rapid warm-up, while wideband units offer greater resolution for tuning and diagnostics. Correct sensor operation supports catalytic converter efficiency and engine management across a range of Porsche engines.
Benefits Include
- Restores accurate air-fuel control for stable idle and part-throttle response
- Helps reduce emissions and supports catalytic converter protection
- Improves fuel economy by enabling correct mixture control
Why Lambda Sensors / Probes Wear and Fail
- Contamination of the sensing element by oil, coolant or deposits
- Thermal cycling and element degradation from repeated extreme temperatures
- Wiring damage, connector corrosion or poor electrical contact
The Importance of Replacing with OEMatch Lambda Sensors / Probes
Replacing a degraded sensor restores reliable feedback to the ECU, reduces the risk of poor combustion or catalytic converter damage and helps keep emissions within expected limits for Porsche models. OEMatch supplies sensors chosen for compatibility with Porsche mounting and electrical interfaces to simplify replacement while supporting accurate air-fuel control.
Advantages
- Direct-fit options that match factory mounting points and electrical connections
- Available with heated elements or wideband sensing for specific applications
- Corrosion-resistant housings and common connector types for straightforward installation
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