What are the reasons for the high fuel consumption of Golf 7?

[McSimon]

Here are the reasons for the high fuel consumption of Golf 7: 1. Unsuccessful matching: This occurs because after cleaning the throttle body, no matching was performed with the engine control unit or the matching was unsuccessful. 2. Fault in the electronic control system: A fault in the engine's electronic control system leads to an overly rich air-fuel mixture, increasing fuel consumption. 3. Damaged spark plugs: Damage to the engine's ignition coils or spark plugs, or fuel injector leaks, can cause increased fuel consumption. 4. Cooling system malfunction: A malfunction in the engine cooling system can result in the engine temperature being too low, keeping it in a warm-up state. 5. Excessive carbon buildup: Too much carbon buildup in the engine can lead to incomplete combustion.