Hard starting, misfires and power loss are key spark plug failure signs. Clean carbon deposits or replace damaged plugs with correct gap and fitment. Repeated fouling indicates deeper issues like rich ...

All spark plugs may look the same to the untrained eye. Unfortunately, nothing could be further from the truth. For starters, spark plugs come in many types that are mainly differentiated by the ...

It doesn't matter what type of vehicle you drive or which type of spark plug you're using. If your car has an internal combustion gasoline engine, it has the potential to eject a spark plug — although ...

We may receive a commission on purchases made from links. DIY car engine maintenance is hardly rocket science, but simple tasks can become unexpectedly difficult and seriously disrupt your routine. It ...

When it comes time for your regular tune-up, you may be surprised to find oil on the spark plugs. This contamination often reveals a mechanical problem, but how do you know what’s wrong? In this guide ...

As someone who knows very little about cars, doing it myself always feels very risky. Case in point, I don’t think I’d have to guts to do what’s being done in this video by TikTok user @theboojmeister ...

Spark plugs are an essential part of a car's ignition system. As the name suggests, they provide a spark of electricity that ignites the fuel and air mixture, and gets the engine up and running.

There have been many snake-oil automotive products over the years, promising to deliver better performance and fuel economy, and nearly all were based on science as shaky as that of the mythical ...

I own a 2018 Subaru Outback, 2.5L engine with 48,000 kilometres on it. Subaru recommends changing the spark plugs at 100,00 kilometres or five years, whichever comes first. I can understand specifying ...