Diesel Data: Automotive Repair

Fuel Delivery and Air Induction

TIMING:

Base Ignition Timing 10° BTDC At Idle [1]
Advance Ignition Timing 12 - 21° BTDC At Idle [1]

[1] Refer to ADJUSTMENT PROCEDURES in COMPUTERIZED ENGINE CONTROLS.

RESISTANCE:

Cold Start Injector:
At 20°C (68°F) 2 - 4 Ohms

Cold Start Injector Time Switch:
Between terminals STA and STJ below 10°C (50°F) 30 - 50 Ohms
Between terminals STA and STJ above 25°C (77°F) 70 - 90 Ohms
Between terminals STA and Ground 30 - 90 Ohms

Turbocharger Pressure VSV:
At 20°C (68°F) 24 - 30 Ohms

Port Fuel Injector:
At 20°C (68°F) 2 - 4 Ohms

Injector Solenoid Resistor:
At 20°C (68°F) 5 - 7 Ohms

Fuel Pump Resistor:
At 20°C (68°F) Approx. 0.73 Ohms