Is Engine Shaking Normal?

[DeJasper]

Engine shaking is not normal. The causes of engine shaking are: 1. Severe carbon buildup inside the engine; 2. Aging of engine mounts; 3. Malfunction in the ignition system; 4. Fault caused by unstable oil pressure. The solutions for engine shaking are: 1. Clean the carbon deposits from the intake manifold and throttle body; 2. Inspect the engine mounts and replace them promptly if necessary; 3. Use a diagnostic tool to read the fault codes to determine which cylinder has issues, then replace the spark plugs, high-voltage wires, or ignition coils accordingly; 4. Measure whether the fuel pressure is normal and clean the fuel injectors.

[LaRafael]

I've driven quite a few cars, and some slight engine shaking during cold starts or idling is normal, just like warming up. But if there's sudden severe shaking accompanied by strong vibrations and loud noises, then there's a problem. Common causes include aging spark plugs with carbon buildup, faulty ignition coils, or fuel system issues like a clogged fuel filter. Once my car shook badly, and after inspection, it turned out the mass airflow sensor was dirty—cleaning it fixed the issue. I recommend regular maintenance, checking spark plugs and filters every 5,000 kilometers. Severe shaking can affect driving safety, especially at high speeds, so get it diagnosed by a professional shop immediately—don’t delay.

[StEdward]

As a car owner, I believe engine vibration is no small matter. Minor shaking during normal driving is acceptable, but if the vehicle wobbles noticeably at idle, it's time to be alert. Common faults like dirty throttle bodies or insufficient fuel pump pressure can easily cause shaking. You can perform simple DIY tests: pop the hood to observe vibrations and listen for irregular sounds. If that doesn't help, take it to a repair shop for ECU diagnostics. I've developed the habit of cleaning fuel injectors every six months to prevent carbon buildup. Addressing issues early is economical – it saves money and ensures safety. Severe vibrations could potentially damage other components.

[EdwardRose]

Buddy, engine shaking depends on the situation. Minor shaking during cold starts or acceleration is normal, but if it keeps shaking like a massage chair, that's trouble. Possible causes: spark plugs gone bad, sensor failure, or poor fuel quality affecting combustion. You can try replacing the spark plugs yourself or checking the cylinder pressure. Don't ignore it—severe shaking increases fuel consumption and can damage the engine long-term. Regular maintenance and using the right oil are crucial. Safety first—get it fixed if something feels off.