Mazda CX-7 Spark Plug Replacement at your home or office.

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Spark Plug Replacement Estimate for Mazda CX-7

Mazda CX-7 Spark Plug Replacement costs $126 on average. Following is a breakdown of the labor and parts estimates.

YourMechanic Price
$95 to $157
Labor: $70 -$88
Parts: $25 -$69
Average Dealer price
$145 to 244
Average Shop price
$117 to 181
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
CarServiceEstimateShop/Dealer Price
2008 Mazda CX-7L4-2.3L TurboService typeSpark Plug ReplacementEstimate$210.28Shop/Dealer Price$259.20 - $370.86
2011 Mazda CX-7L4-2.5LService typeSpark Plug ReplacementEstimate$218.16Shop/Dealer Price$265.42 - $378.58
2007 Mazda CX-7L4-2.3L TurboService typeSpark Plug ReplacementEstimate$141.92Shop/Dealer Price$170.72 - $222.66
2009 Mazda CX-7L4-2.3L TurboService typeSpark Plug ReplacementEstimate$210.28Shop/Dealer Price$261.11 - $374.21
2012 Mazda CX-7L4-2.3L TurboService typeSpark Plug ReplacementEstimate$128.20Shop/Dealer Price$155.32 - $204.46
2010 Mazda CX-7L4-2.3L TurboService typeSpark Plug ReplacementEstimate$126.28Shop/Dealer Price$150.79 - $196.90
2012 Mazda CX-7L4-2.5LService typeSpark Plug ReplacementEstimate$208.16Shop/Dealer Price$256.30 - $370.13
2010 Mazda CX-7L4-2.5LService typeSpark Plug ReplacementEstimate$208.16Shop/Dealer Price$255.29 - $368.36
Show example Mazda CX-7 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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Excellent Rating


YourMechanic Mazda CX-7 Spark Plugs Replacement Service

Average Rating

5/5

Number of Reviews

8

Rating Summary
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Meet some of our expert Mazda mechanics

Real customer reviews from Mazda owners like you.

Joseph

30 years of experience
399 reviews
Joseph
30 years of experience
Great advice, helping me fix 3 engine lights on my car, changing what needed to be changed and fixing what needed fixing with honest advice.
2007 MAZDA CX-7 - SPARK PLUGS - DALLAS, TEXAS

Steven

7 years of experience
50 reviews
Steven
7 years of experience
worked out really well, It was convenient that Steven came to my home. He was early and completed the work in the time estimated. He was very helpful in responding to questions about the other issues the dealer said needed to be done on the car. I would definitely call on Steven for service on my car.
2010 MAZDA CX-7 - SPARK PLUG REPLACEMENT - SOUTH PASADENA, CALIFORNIA

Chris

19 years of experience
1126 reviews
Chris
19 years of experience
Chris was very professional. he recommended only what i needed at the time to resolve this issue and to keep my cost down.
2009 MAZDA CX-7 - SPARK PLUGS - LAKE FOREST, CALIFORNIA

Manuel

8 years of experience
56 reviews
Manuel
8 years of experience
Manuel replaced the spark plugs in 30 minutes and my car was back to normal!
2010 MAZDA CX-7 - SPARK PLUGS - SOUTH PASADENA, CALIFORNIA
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
CarServiceEstimateShop/Dealer Price
2008 Mazda CX-7L4-2.3L TurboService typeSpark Plug ReplacementEstimate$210.28Shop/Dealer Price$259.20 - $370.86
2011 Mazda CX-7L4-2.5LService typeSpark Plug ReplacementEstimate$218.16Shop/Dealer Price$265.42 - $378.58
2007 Mazda CX-7L4-2.3L TurboService typeSpark Plug ReplacementEstimate$141.92Shop/Dealer Price$170.72 - $222.66
2009 Mazda CX-7L4-2.3L TurboService typeSpark Plug ReplacementEstimate$210.28Shop/Dealer Price$261.11 - $374.21
2012 Mazda CX-7L4-2.3L TurboService typeSpark Plug ReplacementEstimate$128.20Shop/Dealer Price$155.32 - $204.46
2010 Mazda CX-7L4-2.3L TurboService typeSpark Plug ReplacementEstimate$126.28Shop/Dealer Price$150.79 - $196.90
2012 Mazda CX-7L4-2.5LService typeSpark Plug ReplacementEstimate$208.16Shop/Dealer Price$256.30 - $370.13
2010 Mazda CX-7L4-2.5LService typeSpark Plug ReplacementEstimate$208.16Shop/Dealer Price$255.29 - $368.36
Show example Mazda CX-7 Spark Plug Replacement prices

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