Operation CHARM
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Porsche
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1986
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928 S 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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Testing and Inspection
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Symptom Related Diagnostic Procedures
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Low Power Output
Low Power Output
1.
Poor electrical connections.
2.
Speed/reference mark sensor.
3.
Load sensor.
4.
Faulty temperature sensor Nos. 1 or 2.
5.
Faulty throttle switch.
6.
Ignition system
.
7.
Octane loop.