What does the spark plug do in a 4-stroke engine?

What does the spark plug do in a 4-stroke engine?

A spark plug is used as a source of ignition, as the “spark” in its name implies. It is a key component of internal combustion engines and its primary function is to ignite a fuel/air mixture within the combustion chamber of a car, or other system. 4-stroke internal combustion engine.

How big is the spark plug on a Ford 4.6L?

Note that the early style spark plugs on 2005 to early 2008 engines have a lighter torque specification (9 lb.-ft. or 12 Nm) than those on later engines (which is 25 lb.-ft. or 34 Nm). On the 32-valve 4V DOHC 4.6L engines, spark plug access is difficult and requires a deep well spark plug tool that can hold the plug securely as it comes out.

What kind of spark plug does a 4.6L SOHC engine use?

On the 32-valve 4V DOHC 4.6L engines, spark plug access is difficult and requires a deep well spark plug tool that can hold the plug securely as it comes out. Drop the plug and you may waste quite a bit of time trying to fish it out.

What causes spark plug to stick on 2V SOHC engine?

These engines as well as the earlier 2V SOHC engines have spark plugs with “short” threads (only four or five threads on the plug) so it is relatively easy to damage the threads in the cylinder head if a plug sticks on its way out, or if it is crossthreaded or over-tightened when it is installed.

Do you install two piece spark plugs or one piece?

Third, when you replace the spark plugs do not install the same type of two-piece spark plugs as the original equipment spark plugs. One-piece aftermarket spark plugs are available for these applications that virtually eliminate the risk of repeat breakage.

When to use a Briggs and Stratton spark plug wrench?

Follow this step-by-step image guide to locate spark plugs in different Briggs & Stratton engine types. A spark plug wrench can help avoid engine damage when removing these parts for cleaning or replacement. Also known as L head or Side Valve Engines, these engines are commonly used for walk behind lawn mowers and pressure washers.

What kind of spark plugs do I need for a lawn mower?

Flathead Engine Spark Plugs & Gaps. Also known as L head or Side Valve Engines, these engines are commonly used for walk behind lawn mowers and pressure washers. If you have a Quantum engine, be sure to check the Code Date before doing any engine maintenance.

What happens if you use the wrong spark plug?

Be sure to use the right spark plug! Although several different spark plugs may screw into the engine, using the incorrect one will result in performance problems and possible internal engine damage. Also known as L head or Side Valve Engines, these engines are commonly used for walk behind lawn mowers and pressure washers.

How to find the right spark plug and gap?

Now that you’ve found the part you’d like to replace, you can use the chart below to identify the genuine Briggs & Stratton replacement spark plug and gap recommendation. CAUTION! Be sure to use the right spark plug!