Fuel Delivery and Air Induction: Description and Operation

SYSTEM DIAGRAM

Fuel Flow Diagram:

1. FUEL FLOW DIAGRAM

Electrical Control Diagram:

2. ELECTRICAL CONTROL DIAGRAM

High Pressure Side Fuel System Wiring Diagram:

3. HIGH PRESSURE SIDE FUEL SYSTEM WIRING DIAGRAM

Low Pressure Side Fuel System Wiring Diagram:

4. LOW PRESSURE SIDE FUEL SYSTEM WIRING DIAGRAM

5. COLD START INJECTOR CIRCUIT DESCRIPTION
The cold start injector is attached to the intake air surge tank. The cold start injector is designed to improve the ability of the engine to perform a cold start. It operates when the engine coolant temperature is -12 degrees C (10 degrees F) or less, the engine speed is 400 rpm or less, and the starter signal is on.