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Injection -> Prohibited Operations: Siemens HDi Direct Injection System for Your Citroen C6 4 Door First Generation (2005-2012)

PROHIBITED OPERATIONS: SIEMENS HDI DIRECT INJECTION SYSTEM  
Engine: DT17BTED4  
Cleaning.  
The use of high pressure cleaners is prohibited.  
Do not use compressed air.  
Fuel supply circuit.  
Required fuel: Diesel.  
WARNING: Do not use other fuels.  
Electrical circuit.  
Swapping injection ECUs between two vehicles will render it impossible to start either vehicle.  
It is forbidden to supply a diesel injector with 12 volts.  
Do not disconnect a diesel injector when the engine is running.  
Fuel high pressure pump.  
Do not separate the fuel high pressure pump (1) from the following components:  
- The sealing ring (a) (no replacement parts).  
- The high pressure outlet connector (b) (will cause a malfunction).  
- The fuel pressure regulator (c) (no replacement parts).  
- The flow electrovalve (d) (no replacement parts).  
B1HP23GC  
90  
PROHIBITED OPERATIONS: SIEMENS HDI DIRECT INJECTION SYSTEM  
Engine: DT17BTED4  
Diesel injectors.  
WARNING: Diesel and ultrasonic cleaners are prohibited.  
Do not separate the diesel injector carrier (2) from the following components:  
- Diesel injector (g) (no replacement parts).  
- The fuel flow actuator (e) (destruction).  
B1HP23HC  
Do not move the nut (f) (will cause a malfunction).  
Do not separate the union (h) from a diesel injector.  
It is forbidden to clean the carbon deposits from the diesel injector nozzle.  
Central fuel high pressure common injection rail.  
Do not separate the fuel high pressure sensor (j) from the central fuel high pressure injection rail (3).  
B1HP23JC  
91