What Are the Reasons for Increasing Fuel Consumption in Cars?
1 Answers
Below is a detailed analysis of the specific reasons why cars consume more fuel. 1. Engine carbon deposits: Stop-and-go traffic conditions increase carbon buildup, and idling to warm up the engine also contributes to carbon deposits. Excessive carbon buildup can affect the throttle's air intake, making the car prone to stalling. Carbon deposits also adhere to the intake tract, reducing intake efficiency and worsening the air-fuel mixture. Severe carbon buildup can occupy cylinder volume, affecting combustion quality and causing knocking. 2. Spark plugs need replacement: Spark plugs ignite the air-fuel mixture in the cylinder. Faulty spark plugs can lead to insufficient ignition energy and dim sparks. Since cylinder combustion occurs very quickly, the quality of the spark at the moment of ignition directly affects combustion quality and completeness. 3. Oxygen sensor failure: After 120,000 to 150,000 kilometers of operation, consider replacing the oxygen sensor, which detects the oxygen content in the exhaust and provides feedback to the engine's fuel injection control system. 4. Delayed replacement of the 'three filters': If the 'three filters' (air, oil, and fuel filters) are not replaced for a long time, they can become clogged with dirt, impairing their function. This results in significant errors in the data sent to the engine ECU, leading to increased fuel consumption.
