Operation CHARM
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Chevy Truck
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1990
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Suburban 1/2 Ton 4WD V8-454 7.4L
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Repair and Diagnosis
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Powertrain Management
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Ignition System
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Technical Service Bulletins
Ignition System: Technical Service Bulletins
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Customer Interest
Engine Controls - Exhaust Odor/Detonation
Engine - Miss, Hesitation, or Roughness
By Symptom
Customer Interest
Engine Controls - Exhaust Odor/Detonation
Engine - Miss, Hesitation, or Roughness
Driveability
Engine Controls - Exhaust Odor/Detonation
Engine - Miss, Hesitation, or Roughness
Erratic Operation
Engine Controls - Exhaust Odor/Detonation
Engine - Miss, Hesitation, or Roughness
All Technical Service Bulletins
Engine Controls - Exhaust Odor/Detonation
Engine - Miss, Hesitation, or Roughness