Fuel Rail Pressure Sensors

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Fuel Rail High Pressure Sensors (FPS)

Browse replacement Fuel Rail High Pressure Sensors at AH Car Parts. Threaded directly into the common rail manifold, our piezoresistive sensors provide real-time pressure feedback to the ECU for optimal fuel injection, smooth performance, and maximum efficiency β€” backed by a full 1-Year Warranty.

What is a Fuel Rail Pressure Sensor?

The Fuel Rail Pressure Sensor (FPS) monitors fluid pressure inside the common rail manifold. It sends precise voltage signals to the Engine Control Unit (ECU) to continually adjust injection timing and pump output under load.

Why Do Fuel Pressure Sensors Fail?

Exposure to extreme thermal cycling, vibration, and high-pressure fuel surges degrades internal piezoresistive diaphragms over time. Electrical pin corrosion or internal circuit degradation causes incorrect pressure readings to be sent to the ECU.

Symptoms of a Faulty Fuel Rail Sensor

Key indicators include difficult engine starting, severe power loss, engine misfiring, poor fuel economy, or check engine lights displaying fault codes such as P0190, P0191, P0192, or P0193.

Why Choose AH Car Parts?

Our replacement fuel rail pressure sensors feature stainless steel threads, high-temperature seals, and OE-spec electrical pin connections for long-lasting accuracy. Fast dispatch from our UK warehouse.

Need Help Matching Your Fuel Rail Sensor?

We are here to assist with thread sizes, pin counts, OEM part numbers, and vehicle lookups.

Vehicle Reg & Thread/Pin Verification

Unsure whether you need a 3-pin or 4-pin connector, or need to cross-reference sensor part numbers (e.g., 55PP or Bosch codes)? Send us your registration number or VIN, and our technical team will verify fitment.

1-Year Warranty Included

Every Fuel Rail High Pressure Sensor ordered from AH Car Parts is performance tested and comes with a full 1-Year replacement warranty.

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