2019 Mazda CX-5 Spark Plug Replacement
Complete guide to 2019 Mazda CX-5 spark plug replacement. Cost estimates, difficulty level, time required, and environmental impact.
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💰 Cost Breakdown
💡 Tip: Costs vary by location and repair shop. Authorized service centers typically charge more than independent repair shops.
🔧 Repair Overview
Spark Plug Replacement is one of the most common repairs for 2019 Mazda CX-5. This repair involves replacing the damaged engine component with a new or refurbished part. The process typically takes 1-2 hours and requires moderate skill level.
What You'll Need
- Replacement engine part (OEM or aftermarket)
- Precision screwdriver set (Phillips #000 or pentalobe)
- Opening tools (plastic spudger, suction cup)
- Adhesive strips or glue
- Clean workspace with good lighting
Step-by-Step Process
Step 1: Remove Engine Cover
Remove the engine cover by firmly pulling upwards to release from mounting grommets and set aside.
Step 2: Disconnect Ignition Coils
Press the locking tab down and pull each ignition coil connector straight back to disconnect from ignition coil.
Do not pull on ignition coil connector cable.
Step 3: Remove Ignition Coils
Remove the bolt securing each ignition coil using an 8mm socket, then pull the coil straight upward to remove it from the spark plug well. Set aside.
Step 4:
Remove spark plugs by using a 14mm spark plug socket, extension and ratchet wrench, turning counterclockwise.
Check spark plugs for signs of fouling and any other irregular wear indicators.
Step 5: Install New Spark Plugs
Ensure spark plug gap is within specification (0.044mm) on replacement plugs. Use spark plug gauge to verify. Caution: do not contact iridium tips with gauges or plyers, may cause damage.
Thread each new spark plug clockwise into the cylinder head by hand to avoid cross-threading.
Torque to specification: Between 12 to 14 lb-ft
📖 Repair guide provided by iFixit - The free repair manual. Licensed under CC BY-NC-SA 3.0.
iFixit Difficulty: Moderate | Time: NaNh NaNm
DIY vs Professional Repair
✋ DIY Repair
- ✅ Lower cost (parts only: $60-$120)
- ✅ Learn new skills
- ❌ Risk of further damage
- ❌ No warranty
- ❌ Requires tools and time
🔧 Professional Repair
- ✅ Expert installation
- ✅ Warranty included
- ✅ Faster turnaround
- ❌ Higher cost ($100-$200)
- ❌ Need to find reputable shop
Environmental Impact
By choosing to repair your 2019 Mazda CX-5 instead of replacing it, you're preventing approximately 5598 kg of CO₂ emissions. Manufacturing a new 2019 Mazda CX-5 generates 5600 kg of CO₂, while this repair only produces about 2 kg of CO₂. That's a 100% reduction in carbon emissions!
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