Mazda 6 Spark Plug Replacement at your home or office.

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$118.27 - $391.80

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Spark Plug Replacement Estimate for Mazda 6

Mazda 6 Spark Plug Replacement costs $222 on average.

CarServiceEstimateShop/Dealer Price
2010 Mazda 6V6-3.7LService typeSpark Plug ReplacementEstimate$479.70Shop/Dealer Price$588.89 - $856.26
2004 Mazda 6L4-2.3LService typeSpark Plug ReplacementEstimate$220.67Shop/Dealer Price$270.53 - $389.87
2003 Mazda 6L4-2.3LService typeSpark Plug ReplacementEstimate$225.67Shop/Dealer Price$274.81 - $393.61
2005 Mazda 6V6-3.0LService typeSpark Plug ReplacementEstimate$517.26Shop/Dealer Price$634.45 - $923.30
2018 Mazda 6L4-2.5L TurboService typeSpark Plug ReplacementEstimate$231.54Shop/Dealer Price$282.90 - $375.74
2009 Mazda 6L4-2.5LService typeSpark Plug ReplacementEstimate$223.79Shop/Dealer Price$273.21 - $393.97
2007 Mazda 6L4-2.3L TurboService typeSpark Plug ReplacementEstimate$218.51Shop/Dealer Price$264.68 - $380.03
2007 Mazda 6V6-3.0LService typeSpark Plug ReplacementEstimate$507.26Shop/Dealer Price$622.19 - $909.36
Show example Mazda 6 Spark Plug Replacement prices

Service

What are 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

While replacing spark plugs remember

  • 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.

Steps for replacing spark plugs

  • 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.

When to replace spark plugs

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 it to replace the spark plugs?

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.

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Meet some of our expert Mazda mechanics

Real customer reviews from Mazda owners like you.

Excellent Rating


YourMechanic Mazda 6 Spark Plugs Replacement Service

Average Rating

5/5

Number of Reviews

9

Rating Summary
9
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Patrick

30 years of experience
865 reviews
Patrick
30 years of experience
Patrick arrived early and was patient and thorough. He was friendly and it was obvious he takes pride in his work. Thanks Patrick, appreciate you!
2009 MAZDA 6 - SPARK PLUGS - SAN MARCOS, TEXAS

Cesar

6 years of experience
215 reviews
Cesar
6 years of experience
He did a great job.
2011 MAZDA 6 - SPARK PLUGS - BELLEVUE, WASHINGTON

Chris

19 years of experience
1240 reviews
Chris
19 years of experience
Chris was awesome! He got the job done in 1/4 of the time I thought it would...quick and easy!
2005 MAZDA 6 - SPARK PLUGS - WESTMINSTER, CALIFORNIA

Chris

12 years of experience
312 reviews
Chris
12 years of experience
Thank you Chris ! You came on time fixed car with reasonable cost. I definitely recommend Chris to anyone.
2004 MAZDA 6 - SPARK PLUGS - CHULA VISTA, CALIFORNIA

Excellent Rating


YourMechanic Mazda 6 Spark Plugs Replacement Service

Average Rating

5/5

Number of Reviews

9

Rating Summary
9
0
0
0
0
9
0
0
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Red-stars EXCELLENT RATING ON
Number of Mazda 6 Spark Plugs Replacement services completed
99+
services done by our mechanics
TOTAL NUMBER OF EXPERT Mazda MECHANICS
700+
experts on our platform

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