engine computer introduce

The car engine computer is the core part of electronic controlled cars nowadays, and its functions can be simply put as two: 1. receiving signals from various sensors and calculating corresponding data; 2. Control the fuel injection, ignition, and idle intake of the car engine based on the calculated data to ensure the normal operation of the engine and minimize engine emission pollution. 3. If the engine computer board is damaged, the following situations may occur: 1. The engine malfunction light is on, but then catches fire and the vehicle shakes; 2. The car is difficult to start, with no ignition or fuel injection, and internal program disorder. There are many symptoms of the engine computer board being broken, with minor ones being the engine malfunction light coming on and then catching fire. The vehicle shakes, making it difficult to start. In severe cases, the vehicle may be unable to start, with no ignition or fuel injection, and internal program disorder)

Installation method for engine computer

1. Use a T20 screwdriver to disassemble the screen and a 10mm hexagonal socket to disassemble the brake light. 2. Use a plastic pry bar to disassemble the panel, pry the pry bar firmly to loosen it, and unscrew the four screws of the host using t20. 3. Use t20 to unscrew the four screws around the host and pull them out, connecting three wires to the back. 4. Use a 10mm socket to disassemble three reversing lights, and the power of the rear camera is also connected to the black negative wire and the white green positive wire of this light

audi a4 introduce

The Audi A4 is the name of a car, first manufactured and launched by FAW Volkswagen in April 2003. The domestically produced A4 was put into production in China on February 21, 2003, and the new domestically produced Audi A4 was officially launched on October 25, 2005. The Audi A4 is a product under the Audi company, with a high-tech appearance and higher performance than ordinary mid size cars, so it is favored by most car enthusiasts. Equipped with the latest Audi logo! The symbol of nobility was the introduction of the 1.8T.2.4L.3.0L, with only the 1.8 basic model being equipped with a manual transmission, while the rest were equipped with a continuously variable/automatic CVT transmission