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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)