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Microswitch for intake manifold. Porsche 911 with MFI Mechanical Fuel Injection - 90161310600
90161310600/1
Vehicle Group
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
Information
Microswitch for intake manifold.
OE Match intake manifold microswitch engineered as a direct-fit replacement for the original Porsche factory microswitch used on Porsche 911 engines equipped with MFI (Mechanical Fuel Injection). Located on the intake manifold, below the throttle linkage. It detects specific intake airflow/position conditions and feeds that signal to the engine management/mechanical fuel injection system.
Fits:
Porsche 911 1969 - 1973
with MFI Mechanical Fuel Injection
Diagram ref no 24
This replacement is designed to operate reliably under high heat and vibration typical of the intake manifold area. It installs directly into the intake manifold or associated linkage mounting point using factory mounting hardware - no modification needed.
This OE Match microswitch is ideal when the original microswitch has worn, failed, or exhibits intermittent electrical contact, helping restore consistent fuel metering and smooth engine response.
The intake manifold microswitch detects the position or movement of a mechanical linkage (such as throttle or airflow sensor plate) and sends a contact signal to the engine’s mechanical fuel injection system. This information helps the MFI system manage fuel delivery and idle characteristics accurately.
Microswitches in mechanical fuel injection systems wear over time, leading to poor electrical contact, intermittent signals, or failed switch actuation. A compromised switch can result in rough idle, hesitation, inconsistent throttle response, or fuel metering issues. Installing an OE Match microswitch restores the correct mechanical-to-electrical signal interface, helping maintain MFI performance and drivability.
When to replace:
• Engine exhibits rough or unstable idle with MFI system
• Throttle response feels inconsistent
• Original switch shows poor contact or intermittent operation
• During intake manifold service or MFI system overhaul
• Preventive maintenance on high-mile MFI cars
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90161310600
The product you are viewing cross references to these numbers
OE Match intake manifold microswitch engineered as a direct-fit replacement for the original Porsche factory microswitch used on Porsche 911 engines equipped with MFI (Mechanical Fuel Injection). Located on the intake manifold, below the throttle linkage. It detects specific intake airflow/position conditions and feeds that signal to the engine management/mechanical fuel injection system.
Fits:
Porsche 911 1969 - 1973
with MFI Mechanical Fuel Injection
Diagram ref no 24
This replacement is designed to operate reliably under high heat and vibration typical of the intake manifold area. It installs directly into the intake manifold or associated linkage mounting point using factory mounting hardware - no modification needed.
This OE Match microswitch is ideal when the original microswitch has worn, failed, or exhibits intermittent electrical contact, helping restore consistent fuel metering and smooth engine response.
The intake manifold microswitch detects the position or movement of a mechanical linkage (such as throttle or airflow sensor plate) and sends a contact signal to the engine’s mechanical fuel injection system. This information helps the MFI system manage fuel delivery and idle characteristics accurately.
Microswitches in mechanical fuel injection systems wear over time, leading to poor electrical contact, intermittent signals, or failed switch actuation. A compromised switch can result in rough idle, hesitation, inconsistent throttle response, or fuel metering issues. Installing an OE Match microswitch restores the correct mechanical-to-electrical signal interface, helping maintain MFI performance and drivability.
When to replace:
• Engine exhibits rough or unstable idle with MFI system
• Throttle response feels inconsistent
• Original switch shows poor contact or intermittent operation
• During intake manifold service or MFI system overhaul
• Preventive maintenance on high-mile MFI cars
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90161310600
90161310600
The product you are viewing cross references to these numbers
Price: €118.41
In stock
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Information
Boost Pressure Sensor.
Symptoms Of Wear Or Failure:
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Restore accurate turbocharger boost monitoring and dependable engine-management performance with this OE Match Boost Pressure Sensor. Designed for compatible Porsche applications, this sensor measures pressure within the engine's intake and boost system and sends this information to the engine control unit (ECU).
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Diagram Ref No 6
On turbocharged engines, accurate boost pressure data is essential for controlling performance and protecting the engine. The ECU uses the sensor signal to compare actual boost pressure against the pressure required for the current engine speed, load and throttle demand.
A correctly functioning boost pressure sensor helps the engine-management system maintain consistent turbocharger performance, efficient combustion and predictable power delivery. If the sensor becomes contaminated, electrically faulty or inaccurate, the ECU may receive incorrect pressure information, potentially resulting in reduced performance, inconsistent boost or a protective reduced-power mode.
This OE Match Boost Pressure Sensor provides a high-quality replacement for a contaminated, damaged or failed original sensor, helping restore accurate boost pressure feedback and reliable turbocharged engine operation.
What This Product Does:
- Measures pressure within the applicable intake or boost system.
- Sends boost pressure information to the ECU.
- Allows the ECU to monitor actual turbocharger boost pressure.
- Helps the engine-management system compare requested and actual boost.
- Supports correct turbocharger control.
- Helps maintain consistent power delivery.
- Supports accurate engine load calculations.
- Helps maintain responsive acceleration and throttle operation.
- Assists the ECU in detecting underboost conditions.
- Assists the ECU in detecting overboost conditions.
- Supports engine and turbocharger protection strategies.
- Provides important data for engine-management diagnostics.
- Replaces an inaccurate, contaminated or failed pressure sensor.
- Provides an OE Match alternative for compatible Porsche applications.
Symptoms Of Wear Or Failure:
- Check engine or engine-management warning light.
- Boost pressure-related diagnostic trouble codes.
- Underboost or overboost fault codes.
- Reduced engine power.
- Poor acceleration.
- Sluggish throttle response.
- Inconsistent turbocharger boost.
- Sudden loss of boost.
- Engine entering a reduced-power or protective mode.
- Hesitation under acceleration.
- Uneven or unpredictable power delivery.
- Increased fuel consumption.
- Engine performance that changes intermittently.
- Implausible boost pressure readings during diagnostic testing.
- Pressure readings that do not correspond with engine load.
- Damaged electrical wiring or connector.
- Contamination around the sensor or sensing element.
Why Replacement Matters:
- Accurate boost pressure information is critical to the control of a turbocharged engine. The ECU relies on the sensor to determine whether the turbocharging system is producing the expected pressure.
- If the sensor reports an inaccurate value, the ECU may interpret a correctly operating turbocharger as producing too much or too little boost. This can trigger diagnostic faults and cause the engine-management system to limit power as a protective measure.
- A sensor that reads incorrectly can therefore cause significant performance problems even when the turbocharger itself is mechanically sound.
- Accurate boost monitoring is also important for engine protection. Excessive boost can increase cylinder pressures, combustion temperatures and mechanical loads, while insufficient boost can indicate leaks or problems elsewhere in the turbocharging system.
- An intermittent sensor can be particularly troublesome because the vehicle may perform normally during some journeys and unexpectedly lose power during others.
- Replacing a defective component with this OE Match Boost Pressure Sensor helps restore accurate pressure feedback, consistent boost control and dependable engine-management operation.
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