Injection System

Multiport Fuel Injection System

Fuel Injector Assembly





1 Fuel return line
• 25 Nm (18 ft lb)

2 Fuel supply line
• 25 Nm (18 ft lb)

3 10 Nm (7 ft lb)

4 Fuel pressure regulator clamp

5 Seal
• Always replace

6 Fuel pressure regulator

7 Fuel manifold

8 Retainer for fuel injectors

9 Seal
• Always replace

10 Fuel injectors

11 Seal
• Always replace

12 Compound intake manifold

Intake Manifold Assembly





1 Compound intake manifold upper section

2 10 Nm (7 ft lb)

3 20 Nm (15 ft lb)

4 Gasket
• Always replace

5 Idle Air Control (IAC) valve -N71-

6 10 Nm (7 ft lb)

7 6 Nm (53 in lb)

8 Flange

9 Compound intake manifold lower section

10 Gasket
• Always replace

11 10 Nm (7 ft lb)

12 Vacuum unit
• For intake manifold changeover valve

13 20 Nm (15 ft lb)

14 Throttle body

15 Gasket
• Always replace

16 20 Nm (15 ft lb)

17 EGR valve

18 EGR temperature sensor -G98-
• On compound intake manifold, lower section, under throttle body assembly

19 10 Nm (7 ft lb)

20 Gasket
• Always replace

21 10 Nm (7 ft lb)