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Porsche 914 Fuel
Injection Functional Diagram

Pistons & Cylinders

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1 - Fuel tank
2 - Fuel pump
3 - Fuel filter
4 - Pressure regulator
5 - Pressure sensor
6 - Intake air distributor
7 - Cylinder head
8 - Injectors
9 - Fuel distributor
10 - Fuel distributor
11 - Ignition distributor with trigger contacts I and II
12 - Control unit
13 - Throttle valve switch with acceleration enrichment
15 - Cold starting valve
17 - Thermoswitch for cold starting valve
18 - Auxiliary air regulator
19 - Deceleration mixture control valve
A + B - from pressure sensor (load condition signal)
C + D - from ignition distributor contacts (engine
speed and release signals)
E + F - from temperature sensors (warm-up signals)
G - from throttle valve switch
G 1 - acceleration enrichment
I - to injectors for cylinders 1 and 4
II - to injectors for cylinders 2 and 3

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