Spark Plug Replacement at your home or office.

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How much does Spark Plug Replacement cost?

It depends on the type of car you drive and the auto repair shop you go to. Our mechanics are mobile, which means they don't have the overhead that repair shops have. They provide you convenience by coming to your home or office.

YourMechanic Price
$73 to $283
Labor: $70 - $264
Parts: $3 - $19
Average dealer price
$99 to $346
Average shop price
$87 to $299
Get an instant quote for your car
Our mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing
Get a quote
ServiceYourMechanic PriceShop/Dealer Price
Spark Plug Replacement for 2013 Lexus LX570 V8-5.7LYourMechanic Price$136.62Shop/Dealer Price$185.01 - $227.27
Spark Plug Replacement for 1991 Chevrolet Cavalier V6-3.1LYourMechanic Price$73.18Shop/Dealer Price$88.57 - $101.90
Spark Plug Replacement for 1982 BMW 733i L6-3.2LYourMechanic Price$73.18Shop/Dealer Price$99.43 - $120.91
Spark Plug Replacement for 2009 Nissan Altima V6-3.5LYourMechanic Price$246.92Shop/Dealer Price$298.96 - $346.94
Spark Plug Replacement for 2006 Infiniti Q45 V8-4.5LYourMechanic Price$102.67Shop/Dealer Price$138.65 - $172.20
Spark Plug Replacement for 2005 Toyota RAV4 L4-2.4LYourMechanic Price$81.29Shop/Dealer Price$98.62 - $117.97
Spark Plug Replacement for 2009 Mercedes-Benz CL600 V12-5.5L TurboYourMechanic Price$430.57Shop/Dealer Price$585.78 - $712.06
Spark Plug Replacement for 2006 Volkswagen Touareg V8-4.2LYourMechanic Price$137.71Shop/Dealer Price$166.90 - $195.37
Show example Spark Plug Replacement prices

Spark Plug Replacement Service & Cost

What are the Spark Plugs all about?

The spark plugs are an important part of the ignition system. When you turn the ignition key (car's key) on, it causes the ignition coil to generate the spark which ignites the air-fuel mixture in the engine cylinders to start the engine. The number of spark plugs in the car is the same as the number of cylinders, although some vehicle manufacturers will use two spark plugs per cylinder.

Over time, the spark plugs wear out and require replacement. When the spark plugs wear out, it is harder for it the air-fuel mixture to ignite, resulting in engine misfires. If one of the spark plugs has failed, the car will still start and run, but it will run poorly. On some vehicles, spark plug replacement may be labor intensive and involve removal of the intake plenum.

Spark plugs-MATROX-1

Keep in mind:

  • When the spark plugs are replaced, it is a good idea to inspect the ignition cables as well.
  • Spark plugs come in numerous ratings, and the correct rating for your vehicle should always be used.

How it's done:

  • Scan the car for codes.
  • Clean all surface areas around the spark plugs.
  • Remove spark plugs.
  • Inspect threads in engine head (where plugs are installed).
  • Perform compression test if needed.
  • Inspect ignition wires.
  • Apply anti-seize to the threads of the spark plugs.
  • Install new spark plugs.
  • If needed replace any gaskets removed.

Our recommendation:

During routine maintenance and checkups, your ignition system should always be inspected. Any time that a component of the ignition system is replaced, it’s a good idea to consider replacing the spark plugs as well. If you don’t preemptively change your spark plugs your engine will let you know by misfiring or running poorly, so schedule an inspection as soon as you notice that your engine is not performing properly.

What common symptoms indicate you may need to replace the Spark Plugs?

  • Check Engine light is on.
  • Engine misfires.
  • Poor fuel economy.
  • Vibration coming from the engine.

How important is this service?

Spark plugs are responsible for igniting the fuel that your engine uses to run. When you turn your key, a small voltage of power is sent to the ignition coil, where it is transformed into high voltage currency. This high voltage currency is sent through the ignition cables to the spark plugs. The spark plugs use the power to create a spark, which ignites the fuel, and allows the engine to function.

When the spark plugs malfunction, this spark won’t be created, and the fuel will not be ignited as it should. Your vehicle has many spark plugs, so depending on how many fail, your engine may either run poorly, or not run at all. Continuing to drive a vehicle with malfunctioning spark plugs can also cause damage to the catalytic converter.

Fast and easy Spark Plug Replacement service at your home or office.

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Meet some of our expert mechanics

Real customer reviews from owners like you.

308 reviews
Dan
34 years of experience
Dan was very courteous and on-time for the appointment. He is very knowledgable and will definitely use him for my future repairs or maintenance.
2008 HONDA ODYSSEY - SPARK PLUG REPLACEMENT
Want Dan's expert advice? Ask your question now. Its free!
126 reviews
Tyrone
6 years of experience
Very good mechanic. He knows what he is doing.
2010 JEEP COMMANDER - SPARK PLUG REPLACEMENT
Want Tyrone's expert advice? Ask your question now. Its free!
31 reviews
Emmette
31 years of experience
Emmette knew his stuff. I was DIYing a job and had hit a snag when my spark plug socket became wedged on my sparkplug. So finally I gave in and called someone to finish the job. Emmette show up and agreed to remove the spark plug, but wouldn't reassemble the cowl (understandable). He took a huge amount of pictures of my car which made me uneasy but I suppose makes sense. It might have been easier for him to just ask me to stand in front of the camera and say "My name is X, and Emmette Greene provided me a good service." But to each his own.
2002 FORD WINDSTAR - SPARK PLUG REPLACEMENT
Want Emmette's expert advice? Ask your question now. Its free!
12 reviews
Aaron
10 years of experience
Very highly recommended. Aaron services on my vehicle was very professional, honest, and straight to the point. Im very satisfied. Thanks aaron.
2002 VOLKSWAGEN PASSAT - SPARK PLUG REPLACEMENT
Want Aaron's expert advice? Ask your question now. Its free!
Get an instant quote for your car
Our mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing
Get a quote
ServiceYourMechanic PriceShop/Dealer Price
Spark Plug Replacement for 2013 Lexus LX570 V8-5.7LYourMechanic Price$136.62Shop/Dealer Price$185.01 - $227.27
Spark Plug Replacement for 1991 Chevrolet Cavalier V6-3.1LYourMechanic Price$73.18Shop/Dealer Price$88.57 - $101.90
Spark Plug Replacement for 1982 BMW 733i L6-3.2LYourMechanic Price$73.18Shop/Dealer Price$99.43 - $120.91
Spark Plug Replacement for 2009 Nissan Altima V6-3.5LYourMechanic Price$246.92Shop/Dealer Price$298.96 - $346.94
Spark Plug Replacement for 2006 Infiniti Q45 V8-4.5LYourMechanic Price$102.67Shop/Dealer Price$138.65 - $172.20
Spark Plug Replacement for 2005 Toyota RAV4 L4-2.4LYourMechanic Price$81.29Shop/Dealer Price$98.62 - $117.97
Spark Plug Replacement for 2009 Mercedes-Benz CL600 V12-5.5L TurboYourMechanic Price$430.57Shop/Dealer Price$585.78 - $712.06
Spark Plug Replacement for 2006 Volkswagen Touareg V8-4.2LYourMechanic Price$137.71Shop/Dealer Price$166.90 - $195.37
Show example Spark Plug Replacement prices

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