Operation CHARM
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Porsche
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1983
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928 S V8-4664cc 4.7L
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Repair and Diagnosis
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Powertrain Management
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Tune-up and Engine Performance Checks
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Fuel Pressure
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Specifications
Fuel Pressure: Specifications
Fuel Pressure
Fuel Pump Bridged
2.5 +/- 0.2 bar
Engine At
Idle Speed
2 bar
Residual Pressure After 20 minutes
1 bar