Difficult to Start When Cold or Warm

Check:
- Digital Motor Electronic (DME) system fuses. Checking the Basics

- Fuel injection wire and ground connections.
- Intake air system leak.
- Fuel pump defective; Testing and Inspection
Also refer to Fuel Pump, Testing and Inspection

- Fuel system pressure incorrect; Testing and Inspection

- For fault codes, refer to Computers and Control Systems, Testing and Inspection