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Subaru
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2012
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Impreza WRX STi, 4D Sedan
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Repair and Diagnosis
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Engine Performance
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Engine Control Systems
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Fuel Injection System (WRX-STI)
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Tumble Generator Valve Assembly
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Inspection
Tumble Generator Valve Assembly: Inspection
Check that the tumble generator valve assembly has no deformation, cracks or other damages.
Check tumble generator valve for contamination or clogging.