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, as the name ...

A maintenance routine that includes servicing the spark plugs, air filter and engine oil helps keep your lawn mower running ...

Dear Mike: My pickup came new with those expensive spark plugs that never need changing. Of course I needed to change them after the engine started to misfire, at about 120,000 miles. Two of them ...