Operation CHARM
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Porsche
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1992
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968 Coupe L4-2990cc 3.0L DOHC
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Repair and Diagnosis
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Powertrain Management
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Emission Control Systems
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Testing and Inspection
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Engine Hesitation
Engine Hesitation
1.
Poor electrical connections.
2.
Power supply to ECU.
3.
Speed/reference mark sensor.
4.
Load sensor.
5.
Faulty
engine temperature sensor
.
6.
Faulty throttle switch.
7.
Ignition system
.
8.
Faulty charging system.