Can you use a car spark plug in a lawn mower?
The spark plugs in both types of engine work on the same basic principle. ... Some automotive and lawn mower spark plugs may be interchangeable, but many others are not because of physical differences.
Subsequently, what happens if you use the wrong spark plug in a lawn mower?
Spark plugs that are gapped incorrectly can cause an engine to miss, or run erratically, especially during idle. The incorrect spark plug gaps can cause uneven firing of individual spark plugs and delay engine combustion; both of which can cause an engine to miss or idle erratically.
Also question is, how do I know which spark plug for my lawn mower?
Check the information on the old plug to determine the proper replacement. Gas-powered lawn mowers work with a spark plug that ignites the engine. Depending on your brand and model, the spark plug may be located along the back of the engine or on the front, but is easy to identify by the wire clipped onto its tip.
How often should you change the spark plug in a lawn mower?
- Change spark plugs at the beginning of every mowing season (in the spring) and/or every 100 hours of use.
- Use the same spark plugs recommended by the manufacturer of your lawn tractor or push mower.
- Reduced gas mileage.
- Lack of acceleration.
- Hard starts.
- Engine misfires.
- Rough idling.
The engine misfires or runs rough. The engine starts, but stalls shortly after. There is a noticeable increase in fuel consumption during normal equipment use.