Operation CHARM
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Subaru
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1999
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Impreza RS Coupe AWD F4-2.5L SOHC
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Repair and Diagnosis
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Powertrain Management
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Ignition System
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Knock Sensor
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Service and Repair
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Removal
Removal
1.
Disconnect battery ground cable from battery ground terminal.
2.
Remove air intake chamber.
3.
Remove band which holds
knock sensor
harness, and disconnect connector from knock sensor.
4.
Remove
knock sensor
from cylinder block.