How to Solve the Illuminated Engine Fault Light in Wuling Hongguang Vehicles?
1 Answers
Wuling Hongguang's illuminated engine fault light indicates an electronic control system malfunction in the engine. It requires a repair shop to use a decoder to read the fault code and then proceed with repairs. The illuminated engine fault light is an issue that car owners cannot afford to ignore, as it directly relates to engine lifespan and driving safety. Parameters for the Wuling Hongguang 2021 1.5L S Basic LAR Model: Its dimensions are 4420mm in length, 1685mm in width, and 1755mm in height, with a wheelbase of 2720mm. It is equipped with an LAR engine paired with a 6-speed manual transmission, achieving a top speed of 155 km/h. The engine's maximum torque is 140 Nm, with the maximum torque speed ranging from 3400 to 4400 rpm. Reasons for the Illuminated Engine Fault Light: Poor or substandard gasoline quality. This leads to incomplete combustion of the air-fuel mixture during engine operation, causing the engine fault light to illuminate. Oxygen sensor malfunction: If the oxygen sensor is damaged or the sensor connector is damaged or loose, it can cause the air-fuel mixture to be too lean or too rich, triggering the fault light. In reality, the oxygen sensor is a highly durable component and can last 3 years or longer with proper fuel quality. Therefore, if the fault light illuminates in a new car, it's advisable to check if the oxygen sensor connector is loose. Air flow sensor malfunction: If the air flow sensor or its wiring fails, the ECU will not receive the correct intake air volume signal, leading to improper fuel control. This results in a mixture that is too lean or too rich, preventing the engine from operating normally. Spark plug carbon buildup: Carbon buildup on spark plugs can cause poor engine performance, manifesting as difficulties in starting, unstable idling, poor acceleration, backfiring during rapid acceleration, excessive exhaust emissions, and increased fuel consumption.
