What are the most common reasons for premature spark plug failure in the Honda City?

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What are the most common reasons for premature spark plug failure in the Honda City?

Is it due to overheating, incorrect gap settings, poor fuel quality, o r lack of maintenance?

Sandeep asked on 27 Feb 2025 12:50:58 pm

1 Answer

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Car Mechanic Expert - on 27 Feb 2025 14:11:58 pm

Overheating: If the engine runs too hot, spark plugs may overheat, leading to premature wear and failure.
Incorrect gap settings: If the spark plug gap is too large o r small, it can cause misfires o r inefficient combustion.
Poor fuel quality: Contaminants in the fuel can cause carbon buildup on the spark plugs, leading to fouling.
Lack of maintenance: If regular engine maintenance isn’t done like air filter replacement o r fuel system cleaning, this can contribute to spark plug damage and failure.