Engine Starts & Stalls
1. Insufficient fuel supply to injectors.
2. Vacuum leaks in air intake line.
3. Clogged air filter element.
4. Incorrect idle speed or ignition timing.
5. Defective EFI computer.
6. Defective cold start injector.
7. Defective air valve.
8. Insufficient fuel pressure.
9. Worn or damaged injectors.