Will AutoZone change spark plugs?

Author: Ryann Shanahan Jr.  |  Last update: Wednesday, April 2, 2025

But if you're inexperienced and hesitant to try the job yourself, it could be safer to have a repair shop, like AutoZone's Preferred Shops, do it for you. Rather than take a chance on damaging something and adding to the repair cost, it'll get done in a timely fashion by a professional.

How much does it cost to get your spark plugs changed?

Factoring in parts and labor, the cheapest spark plug replacement costs between $100 and $250, and the highest is between $250 and $500. It is ideal to replace all spark plugs at once to avoid dealing with different replacement cycles and to achieve optimum performance.

Does Jiffy Lube replace spark plugs?

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.

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.

Can I replace a spark plug myself?

Absolutely, replacing spark plugs is definitely an DIY job, especially if you're comfortable with basic car maintenance! Just follow a tutorial, take your time, and ensure the engine is cool before you start. Also, double-check you have the right replacement plugs and that you gap them correctly if needed.

How To Tell When You Need New Spark Plugs - AutoZone Car Care

How long can you drive with bad spark plugs?

How long can you drive with bad spark plugs? Ideally, you should replace them immediately.

Is changing spark plugs an easy job?

Whether you can change the spark plugs yourself depends on how convenient they are to reach. With older vehicles, the job is relatively easy and needs only some wrenches and a new set of spark plugs. You can easily find instructions in your owner's manual or online.

Can you jump start a car with bad spark plugs?

It is possible to jump-start your car as a temporary solution, but you'll have to change it sooner or later. A faulty ignition coil and bad spark plugs have to be also replaced. You'll need a multimeter to make sure that your ignition coil is no longer able to perform its functions properly.

How to tell if spark plugs need replacing?

Here are seven signs that are telling you that you need spark plug replacement on your vehicle.
  1. Your Vehicle is Difficult to Start. ...
  2. Your Engine is Misfiring. ...
  3. You Have Poor Fuel Economy. ...
  4. Your Engine Idles Rough. ...
  5. Your Car Doesn't Accelerate Easily. ...
  6. Your Engine is Loud. ...
  7. Your “Check Engine” Light Comes On.

What does a misfire feel like?

Every motorist has experienced a misfire at some point. It usually shows itself in the form of stutter, shudder type feeling, slower acceleration and loss of power. An idling car might vibrate a little more than usual in the event of a misfire.

Why is replacing spark plugs so expensive?

The intake manifold will need to be removed to reach the plugs on the back bank. All that extra disassembly adds to the labor time. Other layouts like flat engines (sometimes called “boxer”), commonly seen on Subaru's and Porsches, require more time to change the spark plugs.

What is the average cost of a full tune-up?

A full tune up can run you between $200 and $800. As noted above, the cost of tune up varies depending on the cost of parts and labor where you live. DIY for the mechanically inclined. Some drivers like to roll up their sleeves and perform basic tune ups themselves.

How many years do spark plugs last?

Even if you're not having problems, you'll still want to change spark plugs out at every 30,000-mile interval. For most drivers, that will mean that you're due for spark plug service once every 2-3 years!

What does a tune up consist of?

An oil change and oil filter change, tire rotation, cabin air filter, brake inspection, transmission fluid change, and coolant-system flush may also be on the agenda. Check Kelley Blue Book Maintenance Schedules or your owner's manual for your manufacturer's recommended service intervals for all systems.

How many spark plugs are in a V8?

Generally speaking, your engine requires one spark plug for each cylinder the engine has. That means a four-cylinder engine has four spark plugs; a V6 has six, a V8 has eight, and so on.

Is replacing spark plugs a tune up?

Spark plugs belong on any car tune up checklist.

Can I drive with bad spark plugs?

Can You Drive with Faulty Spark Plugs? Faulty spark plugs can lead to a range of issues that can cause long-term damage to your engine. If left unchecked, bad spark plugs can even lead to more expensive repairs, such as replacing the catalytic converter, so don't put it off.

Can I change spark plugs myself?

Can I replace spark plugs myself, or should I go to a mechanic? For most DIYers, changing the spark plugs can be done at home with common tools. But for some complex modern cars, it's best to trust in the skills of a trained mechanic.

Will I notice a difference after changing spark plugs?

Smooth Engine Start-Ups: You can feel the difference new vs. old spark plugs make when you start your vehicle. New spark plugs allow the engine to start almost effortlessly.

Will my car start if a spark plug is bad?

It can result in incomplete combustion and damage to the catalytic converter of the car. Faulty spark plugs can cause the car to exhibit starting troubles. Worn out plugs does not produce sufficient sparks, which is needed for starting the engine. This results in the engine to stall and fail to start quickly.

How much does spark plug replacement cost?

How much does it cost to replace a spark plug yourself? If you drive a compact car with a four-cylinder engine, an average set of platinum spark plugs will cost you about $32 or so. A six-cylinder will cost around $48, and a V8 will be around $64 for the parts alone.

Why is my car not starting but the battery isn't dead?

Bad alternator

Connected to the battery is the alternator, which works to generate power for your vehicle's electrical components. When you have a brand-new battery but still can't start the car, the alternator might be the issue. Cold and damp climates may increase wear on an alternator, causing it to fail.

How long should it take a mechanic to change spark plugs?

It will take about one hour to replace your spark plugs for a four-cylinder engine. A V6 and V8 may take longer than an hour. Changing a vehicle's spark plugs is a DIY thing, but it may sometimes get complicated.

Will my car run better if I change the spark plugs?

Over time, spark plugs may become clogged or damaged, resulting in decreased engine performance. Changing your spark plugs can help to keep your engine running smoothly and efficiently. In addition, they can also help to improve fuel economy and reduce emissions.

Can I bring my own spark plugs to a mechanic?

Before you shop around and make the commitment, let's examine the potential repercussions of buying automotive parts on your own dime. Can I bring my own parts to a mechanic? Yes.

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