FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
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Car repair manuals for everyone.
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2009
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Impreza WRX STI F4-2.5L DOHC Turbo
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Repair and Diagnosis
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Powertrain Management
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Knock Sensor
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Testing and Inspection
Knock Sensor: Testing and Inspection
Knock Sensor
INSPECTION
Measure the resistance between
knock sensor
terminals.
