Introduction:
What causes spark plugs to foul? is a common concern for drivers maintaining their ignition systems.
Main Answer:
Common causes of ‘what causes spark plugs to foul?’ include worn electrodes, incorrect spark plug gap, carbon fouling, oil contamination, improper installation, or faulty ignition coils. Regular inspection and correct replacement intervals ensure optimal engine performance.
Conclusion:
Proper spark plug care improves engine efficiency, fuel economy, and overall driving smoothness while preventing costly ignition system repairs.
