How Often to Replace Spark Plugs: All You Need to Know
RepairSmith
FEBRUARY 27, 2025
5 Signs Your Spark Plugs Are Faulty If you notice the following symptoms, you may need a new spark plug: Illuminated check engine light : A blinking engine light may signal a misfire caused by a faulty spark plug. Technically you can drive with a faulty spark plug, but it isnt a recommended practice.
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