How Long Does an Iridium-Platinum Spark Plug Last?
1 Answers
Iridium-platinum spark plugs typically last between 80,000 to 100,000 kilometers. Situations that indicate the need for spark plug replacement include: 1. Abnormal engine vibration during acceleration; 2. Vehicle idling with noticeable shaking; 3. Difficulty starting the engine; 4. Sudden engine stalling. The steps for replacing spark plugs are: 1. Turn off the engine and remove the spark plug cap; 2. Unscrew the old spark plug counterclockwise; 3. Screw in the new spark plug clockwise; 4. Reattach the spark plug cap; 5. Verify the installation and test start the engine. Causes of spark plug damage include: 1. Insufficient spark energy during ignition; 2. High air-fuel ratio in the fuel mixture; 3. Engine overheating; 4. Excessively dirty air filter; 5. High idle speed; 6. Severe carbon buildup and use of low-quality gasoline; 7. Damaged valve oil seals or crankcase ventilation valve failure.