12 508 cold car is easy to stall. What happened?

1: Replace, it is too dirty and blocked, which will affect the air intake. 2. Clarify the solar terms, and the blockage of solar terms will affect the airflow and cause this symptom. 3. Replace the spark plug. Excessive carbon deposition in the spark plug will also cause this symptom. 4. Check the high-voltage coil, which sometimes happens at high temperature. 5. Replace the distributor cover and distributor head, which will also cause the distributor cover or distributor head to wear.