Cold Starting Symptom: Flooding
- Faulty fuel inlet needle and/or seat.
- Dirty needle valve and seat.
- Excessive fuel pump pressure.
- Improper fuel/float level (too high).
- Ruptured, split internal carburetor seals or gaskets.
- Choke plate setting (vacuum kick) too narrow.
- Wrong fast idle cam index.
- Fast idle RPM too low.