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 S4 introduce

The Audi S4 is the direct successor to the S2 model developed by Audi from the 80 series. In the development concept of the model, it incorporates the A4 quattro sedan, which dominated the B European Seven Country Circuit in 1996 and made many car manufacturers hear about four-wheel drive. The engine of the car has excellent explosive power, which is also a characteristic of low turbocharged engines: conservative horsepower output, But the torque performance at low speeds is excellent. In terms of equipment, there is a 6-speed manual or 7-speed dual clutch transmission, quattro full-time four-wheel drive system, a four-link front suspension, a 17 inch Avus six spoke alloy wheel rim, a leather chair with lumbar support electrically adjustable in ten directions, an eight channel 120 watt CD with audio, a three spoke sport covered steering wheel, automatic temperature controlled air conditioning with sun sensing, driving information display, and journey computer Sideguard head airbags, etc