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how much to repair spark plugs

by Lyla Shanahan Published 2 years ago Updated 2 years ago
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Average Blown Spark Plug Cost By Repair Shop

  • Factory Dealership. The cost to replace a blown spark plug at the dealership can cost anywhere from $850 to $1,200. ...
  • Local Repair Shop. If you take your car to a local mechanic to have the blown spark plug replaced, then you can expect to pay anywhere from $450 to $800.
  • Midas. Midas repairs are typically cheaper than the dealership. ...
  • Napa. ...

You can pay between $16 and $100 for a set of spark plugs, depending on the type of plugs you need and the number of cylinders your engine has. And when figuring out the price, it helps to remember that some specialty engines use two spark plugs per cylinder.

Full Answer

How much does it cost to replace a spark plug?

The price of a new spark plug varies depending which brand you buy and your vehicle. Typically, the tools needed to replace your spark plug will cost anywhere from $52-$100, and the labor cost will run you anywhere from $60-$360 depending on where the mechanic shop is located.

How do I know if my spark plugs need replacing?

What Do Bad Spark Plugs Look Like?

  • Carbon Fouling. Carbon fouling is characterized by black, soot-like deposits in or around the spark plug’s electrode or insulator.
  • Electrode Wear. When a spark plug is removed from its corresponding cylinder; its gap should be checked. ...
  • Wet Condition. ...
  • Oil Fouling. ...

How much to change spark plugs on BMW?

Our certified mobile mechanics can come to your home or office 7 days a week between 7 AM and 9 PM. BMW 328i Spark Plug Replacement costs $255 on average. What are spark plugs and how do they work?

How often should you change spark plugs?

  • Car won’t start or struggles to start
  • The car idles poorly
  • Engine knocking or pinging
  • Worse-than-normal fuel economy
  • Suffering performance

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How much does it cost to fix the spark plugs?

The Average Cost to Replace Spark Plugs Is $66-$250, Depending on if You Go to the Mechanic or DIY. This price range is based on national averages for all vehicles and does not factor in taxes, fees, or your particular make and model.

How much does it cost to replace 4 spark plugs?

In general, you should expect to pay $50 to $130. As previously mentioned, different types of spark plugs vary in their longevity and price. A pack of 4 copper spark plugs will cost on average $8 to $12, while a pack of 4 iridium spark plugs costs between $35 and $50.

How much should it cost to replace spark plugs and wires?

The average cost for spark plug wire replacement is between $190 and $235. Labor costs are estimated between $67 and $84 while parts are priced between $123 and $151. This range does not include taxes and fees, and does not factor in your specific vehicle or unique location. Related repairs may also be needed.

Why is it so expensive to replace spark plugs?

Since replacing the plugs is no longer an annual service, most vehicle manufacturers stopped making them accessible. Today, replacing the plugs may require removing the intake manifold and a lot of other work to reach them.

Why are spark plugs so expensive?

Why Are Iridium Spark Plugs So Expensive? Iridium spark plugs cost more than other varieties because of the scarcity of iridium itself. Iridium is an extremely rare metal that is only mined in certain locations, and global supply has been severely affected by travel and processing restrictions during the pandemic.

Are spark plugs worth changing?

In general, it's best to replace spark plugs as part of preventative maintenance based on manufacturer's specifications. This can help save you from costly repairs, as driving with misfiring spark plugs could put undue stress on your car's catalytic converter (the engine's exhaust cleaner).

What are the symptoms of a bad spark plug?

What are the signs your Spark Plugs are failing?Engine has a rough idle. If your Spark Plugs are failing your engine will sound rough and jittery when running at idle. ... Trouble starting. Car won't start and you're late for work… Flat battery? ... Engine misfiring. ... Engine surging. ... High fuel consumption. ... Lack of acceleration.

Does Autozone install spark plugs?

2:578:29How To Change Spark Plugs & Spark Plug Wires- AutoZone Car CareYouTubeStart of suggested clipEnd of suggested clipAnd I'm looking right at this and it's 50 thousands. Most plugs come preset. But like for example onMoreAnd I'm looking right at this and it's 50 thousands. Most plugs come preset. But like for example on this one here it's preset at 35,000 s that's not wide enough it needs to be 50,000.

Does Autozone install spark plugs?

2:578:29How To Change Spark Plugs & Spark Plug Wires- AutoZone Car CareYouTubeStart of suggested clipEnd of suggested clipAnd I'm looking right at this and it's 50 thousands. Most plugs come preset. But like for example onMoreAnd I'm looking right at this and it's 50 thousands. Most plugs come preset. But like for example on this one here it's preset at 35,000 s that's not wide enough it needs to be 50,000.

Are spark plugs worth changing?

In general, it's best to replace spark plugs as part of preventative maintenance based on manufacturer's specifications. This can help save you from costly repairs, as driving with misfiring spark plugs could put undue stress on your car's catalytic converter (the engine's exhaust cleaner).

What are the symptoms of a bad spark plug?

What are the signs your Spark Plugs are failing?Engine has a rough idle. If your Spark Plugs are failing your engine will sound rough and jittery when running at idle. ... Trouble starting. Car won't start and you're late for work… Flat battery? ... Engine misfiring. ... Engine surging. ... High fuel consumption. ... Lack of acceleration.

How often do spark plugs need to be replaced?

between every 80,000 and 100,000 milesSpark plugs are designed for long-term durability, meaning that they only need to be replaced between every 80,000 and 100,000 miles.

How much does it cost to replace spark plugs?

For a four cylinder engine, on average the cost to replace the spark plugs is about $140. For a six cylinder engine, the average cost is about $180. For an eight cylinder engine, the average cost is about $220.

Why does my spark plug need to be replaced?

Probably the most common problem that comes with spark plug replacement is shipping damage or a dropped plug that causes the gap to close up. If the gap isn’t correct then the spark won’t be adequate, or won’t happen at all, causing a misfire. This is the reason to check the gap on each plug before installation.

What is the purpose of spark plugs in a gas engine?

Every gas engine uses spark plugs to fire the air-fuel mixture, as the end-point in the ignition system. A spark plug screws into the cylinder head on each cylinder, and has a pair of contacts on its end. The ignition system coil sends a high voltage spark across the contacts at the appropriate time, which ignites the air-fuel mixture in ...

How many spark plugs does a 2010 Dodge Charger have?

There are some exceptions, of course. On a 2010 Dodge Charger with a 5.7, for instance, there are two spark plugs per cylinder, for a total of 16 plugs, and access is restricted on 4 of them. The spark plugs are standard, but labor is more expensive, and replacing plugs costs about $280 most places.

How long are spark plugs good for?

A standard spark plug uses an ordinary nickel alloy steel for it’s contacts, and is typically good for 30,000 to 50,000 miles. Newer plugs use platinum inserts on one or both of the contacts, or iridium, or ruthenium, and can be good for more than 100,000 miles.

Why is the gap between spark plugs important?

The size of the gap between the contacts is critical, as that determines how much energy is required for current to spark across the gap. Each time a spark plug fires there is a tiny amount of wear on the contacts, which causes the distance across the gap to increase. The metal used in the contacts makes the most difference in how much wear there ...

How much does it cost to replace spark plugs on a 2003 Honda Civic?

For an example on the cheaper side, to replace the standard spark plugs on a 2003 Honda Civic, the cost usually comes to around $90.

How much does it cost to replace a spark plug?

Typically, the tools needed to replace your spark plug will cost anywhere from $52-$100, and the labor cost will run you anywhere from $60-$360 depending on where the mechanic shop is located.

Why is it important to replace spark plugs?

It is extremely important that your vehicle’s spark plug is functioning properly. Spark plugs are what ignites your car’s gasoline and air in your engine, which is what allows your vehicles to drive. Without working spark plugs, your vehicle’s combustion cycle will not function properly. The amount of time you should go before replacing your spark plugs varies based on your specific vehicle, and your owner’s manual should give you a general timeline.

What happens if you don't have spark plugs?

Without working spark plugs, your vehicle’s combustion cycle will not function properly. The amount of time you should go before replacing your spark plugs varies based on your specific vehicle, and your owner’s manual should give you a general timeline.

How Much Does It Cost to Rethread a Spark Plug Hole?

As I mentioned earlier, the best way to rethread a spark plug hole is to bring it to a professional and have it repaired. However, if your spark plug needs a proper repair (if it was a stripped one with crossed and pulled-out threads), it can cost a lot.

Can You Rethread a Spark Plug?

Yes, you can rethread a spark plug using several tools. One of the typical repair approaches would be through inserting a Helicoil.

How Do You Fix Spark Plug Threads?

As I mentioned earlier, you can insert a Helicoil to fix spark plug holes or use a thread chaser. However, if the damage is a lot deeper, you may have to remove the cylinder head.

What Is the Best Spark Plug Thread Repair Kit?

If you’re looking for the best repair kits for your spark plug thread needs, you may find these five kits reliable. Take a look at each one to have an idea of which one suits your needs best.

Where Can You Get Your Spark Plug Thread Repaired?

Now, if you’re not familiar with repairing your spark plug thread on your own, an expert’s help would always be the best bet.

Summary

In a nutshell, fixing a spark plug thread can cost more or less, depending on how you will deal. If you know how to repair it, you can do so with costs amounting to only a hundred dollars or more for the tools you need. However, it can cost thousands of dollars to take it to a mechanic for the best service.

Resources

My name is Hank, and I've been in the automotive industry for 27 years. I've been working in my own auto repair shop for the last 13 years, and now I want to help you here, on my blog. Let me know if you have any questions. Read more

Cost to Replace Spark Plugs

Replacing your spark plugs is not a major repair, and many people can do the work themselves for under $50. However, not everyone has the experience needed to work under the hood, so you may be wondering how much it will cost to have someone else replace the spark plugs for you.

When to Change Your Spark Plugs

Spark plugs in modern vehicles last much longer than those in older vehicles. At one time, people had to change theirs every 30k to 50k miles.

Changing Your Own Spark Plugs

If you can change your own spark plugs, you can definitely save some money versus paying a mechanic to do the work for you. While you’re at it, you can also change the spark plug wires which is an even easier repair.

The Bottom Line

Replacing spark plugs is one of the most affordable car repairs you’ll need to do. Most people will need to change them at some point as long as they keep the same vehicle for several years.

WHAT WE DO

Jiffy Lube® removes and replaces your spark plugs as well as inspects your ignition system based on your vehicle manufacturer's specifications.

HOW IT WORKS

The spark plug ignites the air/fuel mixture producing the power that drives your vehicle's engine. Over time, normal use will degrade spark plug performance, resulting in potential loss of power and fuel economy.

HOW OFTEN

Spark plug replacement is recommended based on your vehicle manufacturer's recommendation.

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Blown-Out Spark Plug Repair: Costs Guide

Dealerships

  • A damaged spark plug could cost somewhere between $850 to $1,200 to replace if you choose to take services from a dealership.
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Costs According to Car Models

  • The type of car you own, its design, and how much the parts of it cost can also change the total anticipated budget of the blown-out spark plug fixings. These costs will vary from $600 to higher costs of $2000 depending on the fault and model of the car you own. Again, all the mentioned budgets are approximate and may vary with additional and external factors upon occurrence.
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Determining The Presence of Blown-Out Spark Plugs

  • You know your vehicle better than anyone. Therefore, as soon as you realize the engine is not working as smoothly and your car seems unusual, be sure that something has gone wrong with the spark plugs. Misfiring engines, constant car noises, and rattling with poor fuel economy are the common symptoms of understanding the problem of blown-out spark plugs existing in your …
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Conclusion

  • There is more than one option available to consider how you want to get the blown-out spark plugs fixed. However, keep in mind that the option you choose will directly affect the costs associated with the repair. We discussed all possible topics that should answer your question about the cost of fixing a blown-out spark plug. It is necessary to keep your engine in good condi…
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