The misfires that you feel coming from your engine are the most prevalent sign that the spark plugs in your engine are worn out. Misfires can cause the engine to run roughly while it is idling, roughly when it is accelerating, and can alter the engine’s fuel economy. After some time has passed, the check engine light will probably come on as well.
Idling at a high RPM When the spark plugs in your engine are working as they should, the engine will have a consistent and even sound. When your engine is idle, a fouled spark plug will cause it to make a choppy sound. In addition to that, you could feel the vehicle trembling.
What are the symptoms of a bad spark plug?
- Here are five signs that your car may have a faulty spark plug that you should keep an eye out for.
- A malfunction in the engine The engine will misfire if you stop the car you are driving while it is moving.
- This indicates that there is an issue with one of the spark plugs; it is possible that it is not functioning properly.
- Damage to a spark plug wire or the tip of the spark plug that is linked to the wire might be the source of the issue.
What happens when a spark plug is not healthy and strong?
- It’s possible that the spark is not ″healthy and robust,″ which would suggest that the fuel won’t ignite totally or completely.
- This results in the engine performing poorly and may cause a check engine light to come on in a modern vehicle.
- It’s also possible that the space between the spark plug’s electrodes is wrong; if you change the gap, you could find that the bad performance goes away entirely.
Can a bad spark plug cause intermittent sputtering?
Due to the fact that a faulty spark plug might result in an incomplete burning of fuel in the combustion chamber, engine misfires are a possibility. If you hear noises of sputtering or stumbling coming from the engine on occasion, it’s possible that the problem is caused by a defective spark plug or some other kind of sensor error.