Operation CHARM
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Subaru
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1999
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Impreza L Coupe F4-2.2L SOHC
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Repair and Diagnosis
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Powertrain Management
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Ignition System
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Sensors and Switches - Ignition System
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Knock Sensor
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Service and Repair
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Removal
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Except California
Except California
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.