The Fuel Rail Pressure Sensor (Bosch 0281002863 / 281002863) is a critical component in common-rail diesel systems. It continuously monitors the pressure in the high-pressure fuel rail and sends a voltage signal to the ECU. Using this data, the ECU finely adjusts the fuel metering valve (or control valve) to maintain the correct rail pressure, ensuring that injectors receive optimal pressure for efficient combustion. According to the Pal Diesel Service product page, this sensor supports up to ~1800 bar fuel rail pressure.
If the rail pressure sensor fails or gives incorrect readings, it can lead to a variety of problems — from poor fuel delivery to engine stalling — because the ECU will no longer have correct feedback.
Key details about the part:
- Function: Measures the fuel pressure at the injectors to help control fuel pump speed and injection, ensuring the pressure remains in the optimal range for engine performance.
- Compatible Manufacturers: Primarily compatible with Hyundai and Kia diesel engines (1.5, 1.6, 2.0, 2.2, 2.5 CRDi).
- Compatible Models (examples): Hyundai Tucson, Santa Fe, Sorento, i10, i30, i40, Accent; Kia Cee’d, Sportage.
- Interchangeable Part Numbers: Also corresponds to the Hyundai/Kia OEM part number 31401-4A400 (or 314014A400) and other related numbers such as 0281006808.
- Technical Data:
- Pressure range: 1800 bar (180 MPa)
- Connectivity: Wired, 3-terminal
- Fuel type: Diesel
Why These Parts Matter for Your Business (Pal Diesel Service):
Stocking this sensor means you can diagnose and fix common-rail pressure-related issues in CRDI engines. Many performance complaints — like poor acceleration, black smoke, or error codes such as “fuel rail pressure too low/high” — trace back to a faulty rail pressure sensor. By replacing it, you often avoid more expensive repairs (like pump or injector replacement), giving your customers a cost-effective, high-impact solution.
Contact & Ordering Details:
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Phone: +91 78885 29020
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Website: paldieselservice.in
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