Fuel Injection Components, Layout

A See section "Fuel Injection System Repairing".
B See section "Fuel Injection System Repairing".
D See section below.
E See section below.
F See section below.

1 Connecting tube
2 Temperature controller
- intake air pre-heating checking, Testing and Inspection
- installation position: brass connector nipple with notch toward control flap
3 Intake air boot
4 Throttle body assembly
- With idle and full throttle switch
5 20 Nm
6 Gasket
always replace
7 Intake manifold upper section
first fasten to lower section then mount on rear brackets
8 Bracket
for fuel injector lines and ignition wiring guide

9 CO tap tube
10 Cap
if removed; ensure that re-installation is tight
11 Check valve
- for vehicles without ABS only
- note installed position arrow on valve points toward intake manifold
12 From multifunction indicator (A/C)
- for vehicles without ABS only
13 From brake booster
for vehicles without ABS only
15 Ground connection
16 Harness connector
white
17 Coolant temperature sensor (G 62)*
- for CIS-E Motronic system
18 Harness connector
gray
19 Idle stabilizer valve (N 17)**
resistance 4 to 12 Ohms
20 10 Nm (7 ft lb)
21 Cold start valve (N 17)**
- resistance 8 to 13 Ohms
22 Harness connector
blue
23 Hose connector
24 Calibrated insert
red
25 From crankcase breather ventilation housing
26 Fuel injector insert
- install upper part with D6 locking compound
- 20 Nm (15 ft lb)
- remove and install using-135
27 O-rings
- always replace
- moisten with fuel before installing
28 Fuel Injector(s)
- air shrouded
- check pressure using VAG 1349 injector tester; must be 3.7 to 4.8 bar
29 Calibrated Insert
blue
30 Intake manifold lower section
31 Locking clip

*checked using self-diagnosis