What Are the Reasons for a Car Engine Not Starting?
1 Answers
Check if the battery voltage is too low: You can turn on the headlights and some electrical devices to observe whether there are noticeable changes in the brightness of the dashboard and interior lighting during the starting process. If they dim, it indicates insufficient battery voltage. Excessive carbon buildup in the intake pipe: Too much carbon buildup on components like the throttle valve and idle speed motor can prevent the engine's air-fuel mixture from reaching the required ratio, making the vehicle unable to start. This can also cause repeated engagement of the magnetic solenoid and starter relay, resulting in a clicking sound. Insufficient fuel supply from the fuel system: This issue is similar to excessive carbon buildup in the intake pipe, as it also prevents the engine from achieving the necessary air-fuel mixture ratio, leading to the vehicle's failure to start.