Engine and Emission Control Overall System - Vacuum Hose Drawing
EF & EC-368component photoSR20DE engine. Activated carbon canister hoses (callouts 1 and 2) apply to models with catalyzer only; pressure regulator hose (callout 3) applies to both catalyzer and non-catalyzer models.
Vacuum Hose Drawing
SR20DE
Vacuum hose applicability
1
Hose routingActivated carbon canister (vacuum port) to throttle chamber
Models with catalyzerX
Models without catalyzer—
2
Hose routingActivated carbon canister (purge port) to intake manifold
Models with catalyzerX
Models without catalyzer—
3
Hose routingPressure regulator to intake manifold collector
Models with catalyzerX
Models without catalyzerX
NOTE
X: Applicable