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Engine jitter at idling refers to the engine shaking when the car is Global commodity price trackingidling. This is a very common car problem, which not only affects the performance and driving experience of the vehicle, but also may damage the engine. This article will introduce the causes and solutions of engine jitter during idling. I. Reason 1. Spark plug problem Spark plug is not in the engine ignition system.The main function of the indispensable parts is to generate high-energy electric sparks when the fuel is ignited, ignite the gasoline mixture, and make the car engine run normally. If there is a problem with the spark plug, such as falling off, shaking, electrode wear or excessive carbon accumulation, it will affect the ignition quality of the engine, which will lead to engine shaking. Two. Ignition coil failure Ignition coil is another key part of the engine ignition system. It undertakes the important task of converting low voltage into high voltage and then transmitting high voltage to spark plugs. If the ignition coil fails, such as winding opening, short circuit or power failure, it will cause the ignition output to be unstable, thus causing engine shaking. 3. The premise for the normal operation of an air-fuel ratio imbalance gasoline engine is the normal air-fuel ratio. If the mixed gas is too rich or thin, it will cause the engine to shake.Oil-rich will cause the engine to shut down or emit black smoke, and thin will cause the engine to lose power or lack acceleration. Four. The main function of the air filter to block the air filter is to filter the air entering the engine and prevent dust and particles from polluting the cylinder. If the air filter is too dirty or blocked, it will lead to insufficient air flow, making the engine unstable, resulting in jitter. II. Solution 1. Replace the spark plug. If you find that the engine shake is caused by a spark plug problem, you can consider replacing the new spark plug. Choose a high-quality spark plug for the right model, and regular replacement can solve the jitter problem caused by aging or wear of the spark plug. Two. Replace the ignition coil. When the ignition coil fails, a new ignition coil needs to be replaced. Choose an ignition coil with reliable quality and affordable price, check and replace it regularly, which can ensure the normal operation of the ignition system and solve the jitter problem.3. Adjust the air-fuel ratio to check the air-fuel ratio, and adjust the imbalance of air-fuel ratio can also solve the problem of engine shaking. It is recommended to go to a professional car repair shop for adjustment, and choose regular manufacturers and brands to ensure the adjustment effect and safety. Four. Replace the air filter. If you find that the air filter is blocked or dirty, you need to replace the new air filter in time. It is recommended to replace the air filter regularly according to the regulations of automobile manufacturers. This can ensure the normal operation of the engine and avoid jitter. In a word, engine jitter is a relatively common type of car problems. When jitter occurs, it should be solved in time so as not to affect driving safety and vehicle life. The above solutions are for reference only, and the specific situation should be comprehensively analyzed and dealt with according to the actual situation. During maintenance, professional car repair shops and technicians must be selected to ensure the quality and safety of the vehicle.

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