1
Let the engine cool
Spark plugs go into the cylinder head. Removing them from a hot engine can damage the threads. Wait until the engine is cool to the touch.
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2018–2022 Honda Accord
2018-2022 Honda Accord - Spark Plugs
🔧🔧 Moderate
1 hour
$40 DIY
Save $110 by doing it yourself! Shop cost: $150
Quick Video Tutorial
Parts You Need
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Total Cost
$35.00
| Part Name | Part Number | Price | Buy |
|---|---|---|---|
| Spark plugs (set, spec gap) | — | $35.00 |
About prices: shown prices are estimates from typical Amazon listings and change frequently, and cheaper alternatives may be available. Confirm the current price on Amazon before buying.
💡 Pro tip: Order all parts at once to save on shipping
Step-by-Step Instructions
Follow these steps carefully
2
Remove the ignition coil
Disconnect the electrical connector, remove the coil hold-down bolt, and pull the coil straight up. Keep coils labeled by cylinder.
3
Remove the old plug
Use the spark plug socket and ratchet to remove the old plug. Inspect the tip for oil fouling, glazing, or unusual wear.
4
Gap and install the new plug
Set the gap on the new plug to spec. Thread it in by hand first to avoid cross-threading, then torque to the manual spec.
5
Reinstall the coil
Reinstall the ignition coil, tighten the bolt, and reconnect the electrical connector. Repeat for all cylinders.
All Done!
Test your repair before closing everything up. If something doesn't work right, double-check your steps.
⚠️ Common Mistakes to Avoid
- • Cross-threading the plug
- • Not using a torque wrench
- • Dropping the plug into the well
- • Using the wrong gap
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