The second connection passage communicates between the interior of the housing of {HEAD ~ the canister} and {TAIL ~ a second connection point} of the intake air passage, which is located on an upstream side of the supercharging device in the flow direction of the intake air in the intake air passage 
The second connection passage communicates between the interior of the housing of { HEAD ~ the canister } and { TAIL ~ a second connection point } of the intake air passage , which is located on an upstream side of the supercharging device in the flow direction of the intake air in the intake air passage
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