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Subaru
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2003
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Impreza WRX F4-2.0L DOHC Turbo
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Repair and Diagnosis
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Powertrain Management
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Emission Control Systems
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Air Injection
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Air Injection Control Valve
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Service and Repair
Air Injection Control Valve: Service and Repair
Vacuum Connections
The hose and pipe connections of the intake manifold,
throttle body
and other related parts are as shown in the illustration.