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oil pressure sensor removal
The automobile oil pressure sensor is an important device to detect the oil pressure of the vehicle engine. The detected data can help control the normal operation of the engine. The electronic oil pressure sensor consists of a thick film pressure sensor chip, a signal processing circuit, a housing, a fixed circuit board device, and two leads (signal lines and alarm lines). The signal processing circuit consists of a power circuit, a sensor compensation circuit, a zero setting circuit the voltage amplification circuit, current amplification circuit, filtering circuit and alarm circuit are composed. However, the existing automobile oil pressure sensor is installed through bolts. After a long time of use, its installation connection is easy to rust, which makes it difficult to remove. When it needs to be repaired or replaced in case of failure, it is inconvenient, which will cause some trouble for the maintenance personnel. Therefore, Here, an automobile oil pressure sensor with convenient disassembly and assembly is introduced.
Drain the fuel in the fuel tank with a manual pump or siphon method, remove the negative battery cable, take out the luggage compartment carpet, remove the fuel tank gasket retainer, pull out the wire connecting wire from the sensor, loosen the nut, pull out the fuel sensor upward and backward from the fuel tank, replace it with a new sensor, and install it in the reverse order of removal.1. Press the clip of the sensor plug. 2. Unplug the sensor plug. 3. Remove the fixing screws of the sensor. 4. Remove the sensor. 5. The installation of a new sensor is complete. Precautions: 1. Do not let dust fall into the oil duct during handling. 2. After replacement, commissioning inspection is required.
The fuel pressure control valve is located at the end of the fuel return pipe. The fuel pressure sensor, also known as the fuel pressure regulator, is used to control the fuel pressure in the fuel circuit, maintain the constant oil pressure of the fuel injector, and send the excess fuel back to the fuel tank. The fuel pressure sensor is mainly composed of three parts: pressure sensor, transmission circuit and electrical output interface. The basic structure of the voltage pickup is that the pressure change is induced by the strip resistance, the resistance change is amplified and converted into the pressure difference through the Wheatstone bridge structure, and then transmitted to the transmission circuit for filtering, amplification and other processing.
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