How Long Does it Take to Change Spark Plugs?

Spark plugs are the key to your car’s ignition or starting system. Replacing them at regular intervals keeps your car running smoothly.

Spark plugs usually change in around half an hour, but the exact time will vary depending on the make and model of your vehicle.

The time it takes to change spark plugs depends on the location of the spark plugs in your vehicle. Some engines have their spark plugs located easy to access, but others may need to be taken out of cavities to reach.

However, You must go for a full expert in removing spark plugs quickly and efficiently, whatever your car requires.

The time it takes to replace spark plugs is highly variable, based on the make and model of the vehicle, the number of cylinders in the engine, and even how old or worn out they are when you change them.

Iridium or platinum-tipped spark plugs must be changed between 60,000 and 155,000 miles. An interesting fact noted from the Automotivewave blog is that Iridium is a revolutionary new alloy that’s 6 times firmer, stiffer, and 8 times tougher than platinum when the temperature is greater than 1292 Fahrenheit higher.

This revolutionary metal alloy boasts a 700° higher melting point, making it exceptionally wear-resistant while maintaining flexibility.

Platinum-tipped spark plugs offer superior anti-fouling, which means they are less likely to become clogged with contaminants that can reduce performance. Iridium spark plugs last longer than other types of spark plugs.

Check more: What spark plugs do Ford recommend, and how often should you change spark plugs in a Ford F150 Ecoboost?

how to change spark plugs

What are the benefits of changing spark plugs?

It’s important to change spark plugs periodically. Misfiring causes increased fuel consumption, unnecessary emissions, and poor performance. It can also lead to cylinder head problems.

The benefits include better engine performance, higher torque, increased fuel economy, increased component life span, better cold weather starting, cleaner emissions (no carbon deposits), and the peace of mind that comes with knowing your vehicle’s electronic systems are operating optimal levels.

There are several direct & indirect benefits of regularly replacing your spark plugs. The most direct advantages are reduced emissions through better ignition technology (platinum, zirconia), reduced operating temperatures, better fuel economy, and performance enhancement (tune-ability) through multipoint ignition.

How long does it take to change spark plugs on a V6?

Anyone who has worked on a V6 engine knows that spark plug access can be a real challenge. It can take over an hour if you have to remove the intake manifold from the cylinder heads.

But because ford’s V6 engine is a front-wheel drive, spark plug change time was reduced to a matter of minutes without removing the manifold. It is a straightforward process that takes only twenty minutes and requires no special tools!

how long does it take to change spark plug

What are the symptoms of bad spark plugs?

Anytime you hear abnormal sounds from your vehicle’s engine, it could indicate that the spark plugs need to be replaced. To find out, run your hand along each spark plug wire and feel for chipped or cracked insulation. If you discover cracks, your spark plugs should be replaced immediately.

Installation Process

You should change your spark plugs every 60,000 miles or yearly if you drive more than 10,000 miles yearly. It may sound not very easy, but it’s not. First step: Find the spark plugs.

They’re under the hood near the front of your engine. Then loosen each plug with your sockets and wrenches. After that, pull them out and replace them with brand new ones.

How much does it cost to get spark plugs installed?

There isn’t a simple answer to this question because spark plug installation costs vary by the shop and the type of vehicle. The reason for these variations is that spark plugs can be installed in many different ways.

There are hundreds of individual spark plug part numbers to choose from. Finding one that works with your vehicle can be difficult, and many are sold out. How much does it cost to have spark plugs installed? The average cost to install spark plugs is $30. For most conventional vehicles, this is an all-inclusive price.

Is it easy to change spark plugs?

Contrary to what people think, it is relatively easy to change spark plugs.

The Bosch set is easy to use, even for people who have never changed their spark plugs. The Spark has several wire harnesses at the engine compartment’s back.

Some spark plugs are easier to access and can be reached without removing any panels during routine maintenance, unlike some vehicles where you must remove panels before servicing your truck.

change spark plugs

What to do after changing spark plugs?

Do reset the timing, clear the codes, put the wires back on the plugs, and put the rubber boots back on. After changing spark plugs on your car, it is recommended to thoroughly cleaning and oil the spark plug wires using a spray-on lubricant or WD-40.

Avoid using a lot of penetrating oil to clean the plug terminals. Otherwise, you will get a sticky, stubborn build-up of deposits that is hard to remove.


Sometimes, you need to change spark plugs to fix little problems with your ignition system, restore power or improve fuel economy. The methods for changing spark plugs are similar for 4-cylinder engines and 6-cylinder engines.

Engine maintenance became much easier with the sparkplug change gauge from Snap-on Tools. These days it’s common for spark plugs to go 100,000 miles before needing replacement.

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