Fouled spark plugs in your F-150 cause misfires and rough idle. Replace them for smooth running.
engine
🚗 Ford F-150
Moderate
How to Fix Ford F-150 Spark Plugs
Red Rocket
·
August 7, 2026
·
⏱ 1-2 hours
·
2009-2019 Ford F-150
0
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Step-by-Step Instructions
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1
Remove the coil packs.
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2
Remove the old spark plugs.
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3
Check the gaps.
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4
Install new plugs.
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5
Reinstall coil packs and test.
Tools & Parts Needed
- 🔧 New spark plugs, Socket set, Dielectric grease
Frequently Asked Questions
How long does this fix take?
1-2 hours
Do I need special tools?
Yes — see the Tools & Parts list above.
Is this covered under warranty?
Check your vehicle warranty. Some repairs may be covered, especially if the issue is a known defect.
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