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Fuel Injection / Collection Rail
Fits:
Porsche 957 Cayenne Diesel - 2007 to 2010
Diagram ref no 3
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95560623040
The product you are viewing cross references to these numbers
- Porsche 957 Cayenne 3.0L Diesel 2007-10
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
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12 Month Warranty
Worldwide Delivery
Restore accurate fuel pressure monitoring and dependable engine-management performance with this OE Match Fuel Pressure Sensor Designed for compatible Porsche applications, the sensor monitors fuel pressure within the applicable fuel delivery system and sends this information to the engine control unit (ECU).
Fits:- Porsche 957 Cayenne 3.0L Diesel 2007-10
Diagram Ref No 3
Correct fuel pressure is essential for accurate fuel delivery. The ECU uses pressure information alongside data from other engine sensors to manage fuelling according to engine speed, load and operating conditions. A reliable pressure signal helps ensure that the engine receives the appropriate quantity of fuel for smooth starting, consistent performance and efficient combustion.
Fuel pressure sensors operate continuously whenever the engine is running and are exposed to pressure changes, heat and vibration. Over time, the sensor or its electrical connections can deteriorate, producing inaccurate, intermittent or missing pressure information.
This OE Match Fuel Pressure Sensor provides a high-quality replacement for a faulty or damaged original sensor, helping restore accurate fuel pressure feedback and correct engine-management operation.
What This Product Does:
- Monitors pressure within the applicable fuel system.
- Converts fuel pressure into an electrical signal.
- Sends fuel pressure information to the ECU.
- Helps the engine-management system regulate fuel delivery.
- Supports accurate fuelling under changing engine loads and speeds.
- Helps maintain smooth starting and engine operation.
- Contributes to consistent throttle response and performance.
- Supports efficient combustion and fuel management.
- Helps the ECU identify abnormal fuel pressure conditions.
- Supports engine-management diagnostics.
- Replaces an inaccurate, intermittent 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.
- Fuel pressure-related diagnostic trouble codes.
- Difficult or extended engine starting.
- Engine cranking without starting.
- Rough or unstable idle.
- Engine hesitation during acceleration.
- Poor throttle response.
- Reduced engine performance.
- Intermittent loss of power.
- Engine stalling.
- Uneven or inconsistent engine operation.
- Increased fuel consumption.
- Engine operating in a reduced-power or protective mode.
- Implausible or fluctuating fuel pressure readings during diagnostic testing.
- Damaged sensor wiring or electrical connector.
Why Replacement Matters:
- Accurate fuel pressure information is important because the engine-management system needs to know whether the required fuel pressure is available before it can correctly control fuel delivery.
- If the sensor provides inaccurate information, the ECU may make inappropriate fuelling corrections or register a fuel-system fault. This can lead to poor starting, hesitation, reduced performance or inconsistent engine operation.
- An intermittent sensor can be particularly troublesome because the engine may operate normally under some conditions and then suddenly develop performance problems as the signal becomes unstable.
- A completely failed sensor may cause the ECU to use substitute values or enter a protective operating strategy. This can illuminate the engine-management warning light and potentially restrict engine performance.
- It is also important that genuine fuel pressure problems are identified correctly. Reliable sensor information helps distinguish between an electronic monitoring fault and an actual problem with the fuel pump, pressure regulation or delivery system.
- Replacing a defective component with this OE Match Fuel Pressure Sensor helps restore accurate fuel pressure feedback, consistent fuel delivery and dependable engine-management performance.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95560623040
The product you are viewing cross references to these numbers
- Porsche 957 Cayenne 3.0L Diesel 2007-10
Shop Securely
12 Month Warranty
Worldwide Delivery
Fuel Injection Rails & Components – Precision Fuel Delivery for Peak Porsche Performance
The fuel injection rail (or fuel collection rail) and related components are essential to maintaining consistent fuel delivery and pressure in your Porsche’s high-performance engine. The fuel rail distributes fuel evenly to the injectors, ensuring precise combustion and smooth throttle response under all driving conditions.
At Design911, we stock a comprehensive range of precision-engineered fuel injection rails, fittings, and components built to manufacturer-quality standards for performance, reliability, and longevity. Each part is crafted from high-grade aluminium, stainless steel, or reinforced composites, designed to resist corrosion, heat, and vibration — delivering reliable performance whether you’re maintaining a classic Porsche or fine-tuning a modern GT model.
Our selection includes fuel rails, connectors, injectors, regulators, and sealing hardware — everything needed to keep your Porsche’s fuel injection system performing flawlessly.
What Do Fuel Injection Rails & Parts Do?
Fuel injection rails and components ensure your Porsche’s engine receives the right amount of fuel at the right time. Working together, they maintain stable pressure and evenly distribute fuel to each injector for efficient combustion and power output.
Core Functions:
- Fuel Rail: Channels fuel evenly to the injectors under constant pressure.
- Fittings and Connectors: Securely seal and link the rail, pump, and injectors.
- Regulators & Sensors: Maintain optimal fuel pressure and monitor delivery consistency.
- Seals & Gaskets: Prevent fuel leaks and pressure loss across components.
A balanced, clean, and well-functioning injection system ensures smooth acceleration, optimal efficiency, and reduced emissions — crucial for Porsche performance.
Why Do Fuel Injection Components Fail?
Fuel injection parts operate under high pressure and heat, meaning even small imperfections can affect performance. Over time, wear, contamination, and corrosion can lead to inconsistent fuel delivery or leaks.
Common Causes of Failure Include:
- Corrosion from moisture or fuel impurities.
- Clogged injectors or blocked fuel rails due to sediment buildup.
- Cracked fittings or deteriorated seals, leading to leaks.
- Worn pressure regulators, causing fuel pressure imbalance.
- Fuel contamination from dirty filters or ageing fuel tanks.
Symptoms of failure include rough idling, loss of power, poor fuel economy, or hard starting, often traced to worn or restricted fuel system components.
Why Replace with Precision-Engineered Fuel Injection Parts?
Upgrading or replacing worn fuel injection rails and components restores your Porsche’s performance, responsiveness, and reliability. Precision-fit, high-strength replacements ensure smooth pressure regulation, clean fuel delivery, and efficient combustion.
Key Benefits:
- Restores accurate and consistent fuel delivery.
- Improves throttle response and engine smoothness.
- Prevents leaks and pressure fluctuations.
- Reduces fuel consumption and emissions.
- Crafted from durable, corrosion-resistant materials.
- Direct-fit compatibility for Porsche classic and modern models.
Whether performing a rebuild or upgrading for track use, high-quality injection components are essential for maintaining Porsche precision and performance.
Highlights:
- Complete range of Porsche fuel rails, injectors, and fittings.
- Precision-machined for accurate fuel delivery and sealing.
- Engineered from lightweight, high-strength alloys.
- Compatible with classic and modern Porsche injection systems.
- Ensures reliable pressure regulation and clean fuel flow.
- Perfect for rebuilds, restorations, or performance upgrades.
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