What Causes Weak Car Ignition?

[Margaret]

Here are the reasons for weak car ignition: 1. Fuel system issues: The fuel system is a common problem area in cars. Insufficient fuel entering the combustion chamber may be caused by clogged fuel injectors, fuel line leaks, reduced fuel pump performance, or a blocked fuel filter. The feeling of powerlessness in the car is mainly due to the engine suddenly not getting enough fuel. When the fuel filter is blocked, the car may not get fuel when tilted. If the fuel injectors are clogged or the fuel pump fails to deliver high-pressure fuel injection, effective fuel atomization cannot be achieved, leading to reduced combustion efficiency and failure to reach the expected horsepower. 2. Electrical system issues: This mainly refers to the power supply for the ignition system. The electrical system generates high voltage, which is supplied to the spark plugs via wires. The spark plugs ignite the air-fuel mixture in the combustion chamber. Therefore, the wires and spark plugs are the most likely culprits for poor ignition. Spark plugs are consumables and need to be replaced every few tens of thousands of kilometers. As for the wires, they may also develop poor conductivity due to aging.