How to Check Spark Plugs (9 Conditions to Look For)

how to check spark plugs

Quite a variety of gasoline-fueled piston engines are offered in today’s automobiles. One thing all have in common is spark plugs. And spark plugs are a periodic maintenance item in your car. A properly functioning spark plug will take the electrical signal from the car battery to the ignition coil and create a spark to … Read more

6 Causes of Oil on Spark Plug Threads (and in Wells)

oil on spark plug

Maybe you’re completing some routine maintenance and you discovered the oil on your spark plug threads. Or perhaps you were troubleshooting why your vehicle had low oil and discovered that you had spark plugs covered in oil. Either way, now that you’ve found it, you’re sure to have a few questions. Are you supposed to … Read more

How to Change Spark Plugs (Step-by-Step)

Spark plugs may be simple to replace or annoyingly difficult. It all depends on how many covers, hoses, wire harnesses and other miscellaneous parts you must either move or remove to gain access to the plugs. And if the engine is jammed into a tiny space, that can make getting to the plugs even more … Read more

6 Symptoms of Bad Spark Plugs (and Replacement Cost)

bad spark plugs

Spark plugs are crucial components to an internal combustion engine. Without them, there would be nothing to ignite fuel within the combustion chamber. It’s no surprise that dirty or fouled spark plugs are a common cause for many engine issues. Here you’ll learn how a spark plug works as well as common symptoms of a … Read more

4 Common Engine Misfire Causes

cylinder misfire causes

In our previous article, we went over what an engine misfire is and the common symptoms of an engine misfire. So how do you determine what is causing the engine to misfire in the first place? The combustion engine is relatively complicated as it has a lot of parts that need to work in the … Read more

6 Engine Misfire Symptoms You Shouldn’t Ignore

It can be difficult to diagnose the reason for an engine misfire, but context gives major clues. Misfires are often intermittent and will sometimes only manifest with a specific type of fuel, environment, or engine load (how deep you’re into the gas pedal). Usually the vehicle can continue running with a misfire in one cylinder, … Read more

5 Best Spark Plugs for Gas Mileage and Performance

best spark plugs

The spark plug is a very important part of any vehicle. It creates the electric current needed to ignite the mixture of air and gasoline that has been compressed in the combustion chamber. There are a few different types of spark plugs on the market; some good, others not so good. If you have high-quality … Read more