SPOTONAUTO
FeaturesHow It WorksRepair Guides
Guide language

Spark plug replacement Guide2019 Mazda MX-5

Complete DIY repair guide with step-by-step instructions. Find exact parts on Amazon for your vehicle.

At a Glance

Time: 30 minutes - 2 hours
Cost (parts): $30-120
Difficulty: Easy to Intermediate

Difficulty

Easy to Intermediate

Time

30 minutes - 2 hours

Parts Needed

2 items

DIY Savings

$100-400+

Safety Warnings

  • Work on cool engine only
  • Do not overtighten plugs
  • Check and set gap if required

Tools Required

Spark plug socket
Torque wrench
Gap gauge
Dielectric grease

Parts Needed

Spark plugs (vehicle specific)Shop on Amazon
Anti-seize compoundShop on Amazon

Basic Procedure Overview

  1. 1Remove engine cover if equipped
  2. 2Disconnect ignition coil
  3. 3Remove old spark plug
  4. 4Check gap on new plug
  5. 5Install new plug to torque spec
  6. 6Reinstall coil

Frequently Asked Questions

How much does spark plug replacement cost for a 2019 Mazda MX-5?
DIY spark plug replacement on a 2019 Mazda MX-5 costs approximately $30-120 in parts. A professional shop typically charges $110-320 including labor. By doing it yourself, you save $80–$200+ in labor costs.
How long does spark plug replacement take on a 2019 Mazda MX-5?
A spark plug replacement on a 2019 Mazda MX-5 typically takes 30 minutes - 2 hours for a DIY mechanic. Professional shops may be faster due to lifts and pneumatic tools. First-timers should add 30–60 minutes for setup and learning.
Can I do spark plug replacement myself on a 2019 Mazda MX-5?
Difficulty varies depending on your 2019 Mazda MX-5's specific configuration. With the right tools and a service manual, most handy owners can complete this in 30 minutes - 2 hours.
What tools do I need for spark plug replacement on a 2019 Mazda MX-5?
For spark plug replacement on a 2019 Mazda MX-5 you'll need: Spark plug socket, Torque wrench, Gap gauge, Dielectric grease. You'll also need the correct replacement parts: Spark plugs (vehicle specific), Anti-seize compound.
What happens if I delay spark plug replacement on my 2019 Mazda MX-5?
Old spark plugs in your 2019 Mazda MX-5 cause misfires, rough idle, poor fuel economy, and can damage the catalytic converter—a $500–$1,500 repair. Plugs seized from over-waiting may snap during removal.
100% Free

Get the Full AI-Powered Repair Guide

Exact torque specs, part numbers, and step-by-step instructions tailored to your 2019 Mazda MX-5.

Unlimited AI repair guides for every vehicle. No signup required. Veteran-owned.

Consulting service manuals...

Generating your personalized repair guide

About Spark plug replacement on Mazda MX-5

Performing a spark plug replacement on your 2019 Mazda MX-5 is a common maintenance task that most DIY mechanics can handle with basic tools. By doing this repair yourself, you can save $100-400 compared to dealership or shop prices.

The Mazda MX-5 has been in production for many years, and spark plug replacement procedures are well-documented. Always refer to your owner's manual for vehicle-specific information and torque specifications.

Where to Buy Parts

We recommend purchasing parts through Amazon for fast Prime shipping, competitive prices, and easy returns. All part links include your vehicle fitment information for accurate results.

Related Repairs for Your Mazda MX-5

Spark plug replacement Guides for Other Vehicles