Vehicle emission control system Renault Megane 2

Scheme and arrangement of elements of the toxicity reduction system
Caution! Under normal operating conditions, the vent hole must be open. Fig. 2.284. Functional diagram and arrangement of elements of the toxicity reduction system: 1 – intake manifold; 2 – electromagnetic valve for...

The principle of operation of the toxicity reduction system
Communication with the atmosphere of the fuel tank is carried out through the adsorber (fuel vapor trap). Gasoline vapors are retained by activated carbon contained in the adsorber. Gasoline vapors from the adsorber...

Conditions for purging the adsorber
The control signal to the electromagnetic valve for purging the adsorber is supplied via contact C-E1 of the ECU connector under the following conditions: coolant temperature above 55°C; air temperature above 10°C; the...

Removal and checking the adsorber
Removal The adsorber is installed on the fuel tank under the vehicle. Fig. 2.285. Releasing the adsorber mount: 1 – adsorber Release the canister from the retainer on the fuel tank by moving it in the direction of the...

Location of crankcase ventilation system components
Fig. 2.287. Location of crankcase ventilation system elements (k4J engine): 1 – crankcase ventilation system inlet; 2 – oil separator of the crankcase ventilation system on the cylinder head cover; 3 – calibrated hole...

Operating principle of the crankcase ventilation system
At low loads, oil vapors are sucked in small quantities through a calibrated orifice. Under medium and heavy loads, large quantities of oil vapor are sucked in through the throttle body. To ensure proper operation of...

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Megan 2 (2002-2009, petrol)