We may receive a commission on purchases made from links. When it comes to engine care 101, a spark plug replacement — also referred to as a tune-up — is an essential task. Spark plugs ...

Key Takeaways: Proper lawn mower maintenance, including regular spark plug replacement, is crucial for ensuring optimal performance and extending the lifespan of your equipment. Replacing spark ...

Spark plugs, which screw into the top of an engine ... A fouled, worn or loose plug can cause rough running or abnormal noises. Longer replacement intervals, typically around 100,000 miles ...

Where distributor caps and rotors once needed replacement, electronic ignitions typically keep on firing. In new vehicles, spark-plug replacement intervals are often around 100,000 miles.