System Specifications

Air Flow Sensor
Between terminals 3 and 4 500 - 1000 ohms
Between terminals 2 and 3 (flap moved) Resistance change

Fuel Injector
All injectors at the fuel rail plug connector 3.7 - 5.0 ohms
Each injector disconnected 15 - 20 ohms

Intake Air Temperature Sensor
Between terminals 1 and 4 See Chart

FUEL PUMPS
maximum current draw (amps)
main fuel pump 3.0 amps
transfer fuel pump 1.2 amps
main pump and transfer pump combined 4.2 amps

Oxygen Sensor
Preheat Resistor Cold - less than 68°F (20°C) 3 ohms
Preheat Resistor Hot - greater than 662°F (350°C) 13 ohms
Output Voltage (with CO adjustment within specs) 0.3 - 0.7 volts