Mazda RX-7 Spark Plug Replacement Costs

Estimate price near me

Service Location

Customer Ratings

Included for free with this service

Online Booking

Mechanic comes to you

12-month / 12k-mile warranty

Free 50 point safety inspection

Our certified mobile mechanics can come to your home or office 7 days a week between 7 AM and 9 PM.

See availability

Customer Ratings

Spark Plug Replacement Service

How much does a Spark Plug Replacement cost?

On average, the cost for a Mazda RX-7 Spark Plug Replacement is $165 with $25 for parts and $140 for labor. Prices may vary depending on your location.

Car	Service	Estimate	Shop/Dealer Price
1995 Mazda RX-7R2-1.3L Turbo	Service typeSpark Plug Replacement	Estimate$218.24	Shop/Dealer Price$237.65 - $287.78
1990 Mazda RX-7R2-1.3L Turbo	Service typeSpark Plug Replacement	Estimate$209.23	Shop/Dealer Price$226.87 - $275.68
1990 Mazda RX-7R2-1.3L	Service typeSpark Plug Replacement	Estimate$209.23	Shop/Dealer Price$226.90 - $275.72
1991 Mazda RX-7R2-1.3L	Service typeSpark Plug Replacement	Estimate$209.23	Shop/Dealer Price$226.90 - $275.72
1993 Mazda RX-7R2-1.3L Turbo	Service typeSpark Plug Replacement	Estimate$209.23	Shop/Dealer Price$228.37 - $278.30
1991 Mazda RX-7R2-1.3L Turbo	Service typeSpark Plug Replacement	Estimate$209.23	Shop/Dealer Price$227.04 - $275.97
1994 Mazda RX-7R2-1.3L Turbo	Service typeSpark Plug Replacement	Estimate$209.23	Shop/Dealer Price$226.91 - $275.75

Show example Mazda RX-7 Spark Plug Replacement prices

What are spark plugs and how do they work?

Spark plugs are one of the key components of your vehicle’s ignition system. They ignite gasoline and air inside of your engine. This gives your engine the power to propel you down the road. The spark plug takes high voltage electricity from the ignition coil and creates a spark at just right moment during the engine’s combustion cycle. This gives the engine the best mix of power, fuel economy and low emissions. However, the electrode at the end of the spark plug eventually wears out and can cause performance issues.

Spark plugs-MATROX-1

When should you replace spark plugs?

Replacement should follow the vehicle maintenance schedule. This will be listed in the vehicle’s owner’s manual. Some cars require regular replacement at 30k, 60k or 100k miles. It is possible in some cases that a spark plug might fail before the service schedule, but it’s not typically common.

Avoiding spark plug replacement can cause:

Difficulty starting your car.
Check engine light for a misfire code.
Flashing check engine light during acceleration for misfire, this can cause engine damage.
Reduced fuel economy and/or power.
Rough idle and/or unexplained engine vibration.
Failed State emission testing.

Even if only one spark plug is found to be faulty, they should always be replaced in sets. Most engines will require 4,6, or 8 spark plugs.

How do mechanics replace spark plugs?

Spark plugs are threaded into the engine’s cylinder head(s). Most cars have one plug per cylinder, so a four-cylinder engine will have four plugs, a six-cylinder engine will have six plugs, and so forth. The mechanic will:

Have the correct spark plugs on hand for your vehicle
Pull any diagnostic trouble codes that may be related to worn spark plugs.
Remove the original spark plugs and look at removed spark plugs for any clues indicating engine mis-operation exists; such as oil burning, excessively rich mixture, pre-ignition damage etc. Inform owner of any found unusual conditions.
Install new plugs using a torque wrench.
Finally, a road test of the vehicle to confirm normal operation.

Is it safe to drive with worn spark plugs?

Yes, but spark plugs that are worn enough to cause engine-misfiring have the potential to cause engine damage and overheating of the catalytic converter. Regardless of the age of the plugs, or mileage, if the engine misfires or runs poorly, the plugs should be inspected for defects. Generally, spark plug failure will not keep the engine from running, but in cases of extreme wear, you may experience a limitation in the speed at which you can drive the car. If the maintenance schedule says the plugs should be replaced, it is best to do so promptly.

When having spark plugs replaced keep in mind:

High-speed driving may accelerate spark plug wear. Consider earlier than required inspection and tune-up if you operate the car in severe conditions.
Plugs should always be promptly replaced per the manufacturer maintenance schedule even if they appear to be working perfectly.
If your vehicle is equipped with spark plug wires (as opposed to a coil-on-plug system), the wires should be replaced at the same time. This may increase the cost of your repair.
It is possible that when doing a spark plug replacement, your vehicle may also need additional parts like ignition coils, this will add to the repair cost.
Some engines require that the intake manifold be removed while replacing spark plugs. This may increase the parts and labor cost for the repair.
Leaking valve cover gaskets, which have let oil get in contact with the spark plugs, coils or wires, may be the cause of ignition system issues. Valve cover gaskets will need to be replaced in addition to the spark plugs, wires or coils. This will add to the repair cost.

Fast and easy service at your home or office

Backed by 12-month, 12.000-mile guarantee

Meet some of our expert Mazda mechanics

Real customer reviews from Mazda owners like you.

Excellent Rating

(16)

Rating Summary

16

0

0

0

0

16

0

0

0

0

SEE REVIEWS NEAR ME

Gregory

208 years of experience

385 reviews

Request Gregory

Gregory

208 years of experience

Request Gregory

by Kim Amann

RX-7 1989 - Clutch pedal goes all the way to the floor - Parker, CO

Gregory did a great job! Knowledgeable, efficient, friendly, well equipped!

Excellent Rating

(16)

Rating Summary

16

0

0

0

0

16

0

0

0

0

SEE REVIEWS NEAR ME

Recent articles & questions

How Far Can You Drive on Empty in the UK?

Know how many miles you can drive on an empty gas tank to prevent a breakdown. Citroen C4 Picassos can go the farthest when the low fuel light is on.

How to Get a Free Carfax

For For any car made since 1981, there is a detailed repair and damage history (https://www.yourmechanic.com/article/how-to-check-car-history-by-cheryl-knight) available from a company called Carfax. A Carfax report lists a number of things about a vehicle’s history that are associated with the VIN...

How Long Does a Courtesy Light Bulb Switch Last?

The The courtesy light bulb switch controls the courtesy light. When you open and close the doors of the vehicle, the courtesy light comes on to allow you to see better. This is both convenient and much safer for you...

Failed emissions codes P0134, P0327, P3fff

The P0134 code (https://www.yourmechanic.com/article/p0134-obd-ii-trouble-code-o2-sensor-circuit-no-activity-detected-bank-1-sensor-1-by-jamahl-walker) means that the air fuel ratio sensor (https://www.yourmechanic.com/services/air-fuel-ratio-sensor-replacement) is not operating. Most of the time it will need replacing to correct. The P0327 code means that your knock sensor is not getting enough voltage. The P03FF...

Whistling noise

It sounds like you may have an emergency brake that may be sticking resulting in the squeaking sound you describe. Emergency brakes tend to not get used as often as other components in the vehicle do and as a result,...

My check engine light is on and I got the codes for my 2013 chevy impala. The codes are P0174, P0011, P0014, P015A, P015C, P0171,

The codes you report implicate varying systems (for example, fuel versus camshaft timing). When multiple codes set there is often an order of priority (which code is tracked down first) in the diagnostic to cover just that eventuality you mention,...

How can we help?

Our service team is available 7 days a week, Monday - Friday from 6 AM to 5 PM PST, Saturday - Sunday 7 AM - 4 PM PST.

1 (855) 347-2779 · hi@yourmechanic.com