Operation CHARM
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Porsche
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1987
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928 S4 V8-4957cc 5.0L
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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
Knock Sensor
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Diagrams
Diagram Information and Instructions
How to Use Diagrams
Component, Connector, Ground and Splice Locations
Symbol Identification
Wire Color Code Identification
Electrical Diagrams
