Fuel Injector

Fuel injection system, component layout






1 - Intake manifold upper section
2 - Wiring guide for fuel injector wiring
3 - Plug
pressure measurement connection
4 - Fuel supply line black
5 - Fuel return line blue
6 - Fuel rail
7 - 10 Nm (7 ft lb)
8 - 25 Nm (18 ft lb)
9 - Intake manifold lower section
10 - Manifold gasket
- always replace
- note installed position
11 - 0-ring
carefully replace if damaged
12 - Fuel Injectors (N 30, N 31, N 32, N 33, N 83, N 84)
removing and installing, Service and Repair
13 - Retaining clip
check for secure fit
14 - Fuel pressure regulator
checking, Testing and Inspection
15 - Harness connector (6 total)
for fuel injectors
16 - Intake air temperature (IAT) sensor (G 72)
10 Nm (7 ft lb)
17 - Vacuum line
- replace if damaged
- check for secure fit