2.4 Sensors, actuators and injectors – Overview
1 Injector Y39.1 (cylinder
A1)
2 Injector Y39.2 (cylinder
A2)
3 Injector Y39.3 (cylinder
A3)
4 Injector Y39.4 (cylinder
A4)
5 F25 (lube-oil pressure dif‐
ferential at filter)
6 B6.2 (coolant tempera‐
ture)
7 B06 (coolant tempera‐
ture)
8 Injector Y39.14 (cylinder
B4)
9 Injector Y39.13 (cylinder
B3)
10 Injector Y39.12 (cylinder
B2)
11 Injector Y39.11 (cylinder
B1)
12 B44.2 (turbocharger
speed, B-side)
13 B44.1 (turbocharger
speed, A-side)
The injectors are underneath the cylinder head covers of the cylinder. Injector replacement and necessa‐
ry activities (→ Page 97).
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