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⚙️ Iveco Daily 2.3 Fuel Rail Pressure Sensor – Precise Injection and Preserved Engine Power
🔧 What is this part used for?
The fuel pressure sensor, also known as the common rail pressure sensor, continuously measures the diesel fuel pressure in the common rail of the common rail injection system. It transmits this value as an electrical signal to the engine control module, which adjusts the high-pressure pump control and the injector opening duration in real time. This control loop ensures precise fuel atomization, optimal combustion, and engine response that matches the driver’s input. When the signal becomes faulty or disappears, the control module can no longer properly control the injection pressure and switches the engine to reduced performance mode, or even prevents it from starting.
This sensor is brand new. It mounts at the end of the fuel rail, directly replacing the original sensor, and is compatible with Iveco Daily models equipped with the 2.3-liter common-rail engine in Euro 5 and Euro 6 versions. This is a 3-pin high-pressure sensor, designed for a measurement range up to 2,000 bar.
✅ Technical Specifications
Compatibility: Iveco Daily with 2.3 common rail engine (Euro 5 and Euro 6)
Type: Rail pressure sensor (common rail)
Location: At the end of the fuel rail
Function: Measures fuel pressure and transmits the signal to the engine control unit
Measuring range: Up to 2,000 bar
Thread: M18 x 1.5
Connector: 3-pin
Condition: New
OEM Part Number: 504382373 (IVE504382373)
Cross-Reference: Bosch 0 281 006 164
✅ Why replace this part?
✅ A faulty rail pressure sensor sends incorrect data to the engine control unit, which then limits engine power as a safety measure and puts the vehicle into limited-performance mode.
✅ An inaccurate pressure reading disrupts fuel metering, leading to difficult starts, rough idling, increased fuel consumption, and incomplete combustion.
✅ Replacing it with a new sensor restores reliable injection pressure measurement and restores the engine’s performance and driving comfort.
✅ Symptoms of Wear / Failure / Replacement
A faulty rail pressure sensor typically causes the check engine light to come on, accompanied by a noticeable loss of power and a switch to limited-performance mode. Other symptoms include difficulty starting or inability to start, erratic idling, stalling, or jerky acceleration. Reading the fault codes with a diagnostic scanner quickly points to a problem with the signal or the plausibility of the rail pressure. Before replacing the sensor, it is advisable to check the connector and wiring harness, as well as the condition of the diesel filter: a clogged low-pressure circuit or an air leak can produce similar symptoms.
✅ Installation Tips
Let the engine sit for a few minutes before working on it, so that any residual pressure in the fuel rail can drop. Disconnect the battery, then carefully clean the area around the sensor before removing it: even the slightest particle of dirt entering the rail can damage the fuel injectors. Install the new sensor by hand, then tighten it to the torque specified by the manufacturer, without over-tightening. Reconnect the connector, clear the fault codes, then check for leaks and verify the rail pressure while the engine is running. Installation by a qualified technician equipped with a diagnostic tool is recommended.
✅ Technical advice RAXOR Parts
A rail pressure fault does not always originate from the sensor itself. Before drawing any conclusions, use a diagnostic scanner to verify that the measured pressure matches the setpoint pressure, inspect the sensor connector and wiring harness, and ensure that the diesel fuel filter and low-pressure circuit are in good condition. If the fault persists after replacing the sensor, the cause may lie with the high-pressure pump pressure regulator or the injectors. All parts for your Iveco Daily’s fuel injection system are available at RAXOR Parts for a complete diagnosis and repair.
✅ Why choose RAXOR Parts?
✅ New sensor, part number 504382373, compatible with Iveco Daily 2.3 Euro 5 and Euro 6; direct installation at the end of the rail without any modifications.
✅ Diesel filters, fuel injection parts, and engine sensors available for a complete fuel system overhaul.
✅ Parts in stock and fast shipping to minimize downtime for your work vehicle.
Contact
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🚚 Order your Iveco Daily fuel rail pressure sensor now
Place your order today on RAXOR Parts and receive your new fuel pressure sensor quickly, ready to install on your Iveco Daily.
