Operation CHARM
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Ford Truck
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1993
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F 350 4WD Pickup V8-460 7.5L
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Repair and Diagnosis
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Powertrain Management
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Emission Control Systems
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Air Injection
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Testing and Inspection
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Secondary Air Injection System Noise Test
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Excessive Air System Noise (Putt-Putt, Whirring, or Hissing)
Excessive Air System Noise (Putt-Putt, Whirring, or Hissing)
Excessive AIR System Noise (Putt-Putt, Whirring, Or Hissing):
