What are the reasons for a car's difficulty in starting?

1 Answers
Stacey
07/25/25 1:14pm
The reasons for a car's difficulty in starting can include issues with the ignition system or fuel supply system, poor battery performance, among others. Reasons for a car's difficulty in starting: If the engine's starting performance has been consistently poor over a long period, it is likely due to problems with the ignition system or fuel supply system. For example, faults in the ignition system components such as spark plugs, high-voltage wires, or ignition coils, or improper adjustment of the carburetor in the fuel supply system. A gradual decline in engine starting performance is mostly caused by poor battery performance. In such cases, when turning the ignition key to start the engine, the engine's RPM initially rises quickly, but then the starter appears to lack power, causing the engine's RPM to drop significantly, requiring a long time to start the engine. How to prevent a car from failing to start: Check the battery condition. When the battery is low on charge, the starter will turn weakly, producing only a clicking sound, which may turn into a whining sound upon repeated attempts. Avoid continuous ignition attempts to prevent draining the battery completely. Replace with the appropriate engine oil. If starting is difficult, check whether the correct oil grade is being used. Lowering the oil viscosity can make starting easier. Replace spark plugs in a timely manner. If the vehicle has traveled a certain mileage or exhibits symptoms like difficulty starting, lack of power during driving, shaking, increased fuel consumption, or unexplained stalling, inspect the spark plugs and replace them promptly.
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