System Specifications

Fuel pressure
Normal fuel pressure (with engine running) 3.0 ± 0.06 bar (43 ± 1 psi)
Reading with vacuum hose disconnected approximately 3.3 bar (47 psi)
Fuel delivery rate 875cc/30 sec.

Fuel injectors (83 - 84 318)
Resistance 14.5 - 17.5 Ohms at 20°C (68°F)
Delivery rate 146cc ± 3% per min. at 3.0 ± 0.06 bar (43 ± 1 psi)
Leakage less than 1 drop/15 seconds at 3.0 bar (43 psi)

Cold start valve
Resistance 3 - 5 ohms at 20°C (68°F)
Delivery rate 93cc ± 3% per minute at 3.0 ± 0.02 bar (43 ± 0.3 psi)
Leakage 0.3cc per min. at 3.0 bar (43 psi)

Air temp sensor (in air flow meter). Resistance between terminals 1 and 4 (outer terminals).
8250 - 10,560 ohms at -9 - -11°C (12 - 16°F)
2280 - 2780 ohms at 19 - 21°C (66 - 70°F)
750 - 910 ohms at 49 - 51°C (120 - 124°F)

Note: Air temperature sensor is integral with the air flow sensor and cannot be serviced separately. If sensor is defective, air flow meter must be replaced.

Coolant temperature sensor
7000 - 11,600 ohms at -10°C (14°F)
2100 - 2900 ohms at 20°C (68°F)
270 - 400 ohms at 80°C (176°F)

Coolant temperature switch switching temps stamped into switch

Oxygen sensor
Sensor (with engine running) 0.0 - 1.0 VDC (depending on idle mixture)
Heater 0.5 - 1.3 Amperes

Idle control valve
Resistance 9 - 10 Ohms at 23 ± 5°C (73 ± 9°F)
Load test
Manual Trans. 460 +/- 5 mA at 800 - 900 rpm
Automatic Trans. 460 +/- 5 mA at 700 - 800 rpm