2TR
I - Under low loads, the oil vapour is rebreathed
through the PCV valve
- Fresh air
- Oil vapour
- PCV valve
- Fresh air hose
II - Under medium and heavy loads, the oil vapour
is rebreathed through the PCV valve and the fresh
air hose
- Oil vapour
- PCV valve
- Fresh air hose
M9R
- Engine
- Oil separator
- Air filter unit
- Air filter unit air outlet duct
- Turbocharger
Exhaust gas recirculation:
Operating diagram
M9R
- Engine
- Air filter unit
- Turbocharger
- Intercooler
- Air inlet valve
- Turbocharging pressure sensor
housing
- Exhaust gas recirculation solenoid
valve control
- Intake distributor
- Exhaust manifold
- Exhaust gas cooler
- Diesel injection computer
Fuel vapour recirculation
circuit: Operating diagram
2TR
OPERATING DIAGRAM OF THE CIRCUIT
- Inlet manifold
- Throttle valve
- Fuel vapour absorber bleed
solenoid valve
- Fuel vapour absorber
- Fuel tank
- Fuel anti-return valve
- Fuel filler cap
- Fresh air vent
- Fresh air
- Fuel vapour absorber drain stop
solenoid valve
- Fuel vapour pressure sensor
- Anti-return valve
- Anti-return valve bypass solenoid
valve
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