No Start or Hard Start When Cold

1. Defective AFC relay.
2. Fuel pump not operating.
3. Cold start valve stuck closed.
4. Leaking cold start valve.
5. Defective temperature time switch.
6. Auxiliary air regulator stuck closed.
7. Defective intake air sensor.
8. Defective fuel pump relay.
9. Intake system leaking.
10. Defective fuel injectors.
11. Low fuel pressure.
12. Defective temperature sensor.
13. Faulty electrical connection in wiring harness or electrical connectors.