Diagnostics & Testing
Worn-Out Spark Plugs: Diagnose, Replace & Prevent Engine Misfires
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Spark-Plug-Fouling
Tag303 articles
Spark Plug Types
Champion RC12YC to NGK: Spark Plug Substitution Guide
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Diagnostics & Testing
Oil on a Spark Plug Meaning, Causes, and Fixes for DIYers
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Troubleshooting
Carbon Build-Up on Spark Plugs: Diagnose & Fix Fast
An urgent guide to diagnosing carbon build up spark plug issues, spotting symptoms, and applying safe fixes to restore ignition and engine performance quickly.
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Diagnostics & Testing
Multimeter Spark Plug Test: DIY Diagnostics
5 min
Troubleshooting
Rust on Spark Plug: Troubleshooting Guide
5 min
Spark Plug Types
Double Platinum Spark Plugs: A Practical Guide 2026
Explore how double platinum spark plugs work, when to use them, installation tips, maintenance, and cost considerations. Learn from MultiPlugging how to choose the right plug for longevity and performance.
5 min
Spark Plug Basics
Picture of Spark Plug: Definition and Visual Guide
5 min
Spark Plug Types
Champion RC12YC to NGK: Spark Plug Substitution Guide
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Diagnostics & Testing
Oil on a Spark Plug Meaning, Causes, and Fixes for DIYers
Discover what oil on a spark plug means, its common causes, diagnosis steps, and practical fixes to restore engine performance and prevent future fouling.
5 min
Troubleshooting
Carbon Build-Up on Spark Plugs: Diagnose & Fix Fast
5 min
Diagnostics & Testing
Multimeter Spark Plug Test: DIY Diagnostics
5 min
Troubleshooting
Rust on Spark Plug: Troubleshooting Guide
Learn how to diagnose and fix rust on spark plugs with step-by-step troubleshooting, safe cleaning tips, and prevention to keep your engine firing.
5 min
Spark Plug Types
Double Platinum Spark Plugs: A Practical Guide 2026
5 min