Operation CHARM
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Buick
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1984
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Riviera V8-307 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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Technical Service Bulletins
Ignition System: Technical Service Bulletins
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Customer Interest
Engine - Miss, Hesitation, or Roughness
Engine - Cold Weather Spark Plug Fouling
By Symptom
Abnormal wear/deterioration
Engine - Cold Weather Spark Plug Fouling
Customer Interest
Engine - Miss, Hesitation, or Roughness
Engine - Cold Weather Spark Plug Fouling
Driveability
Engine - Miss, Hesitation, or Roughness
Erratic Operation
Engine - Miss, Hesitation, or Roughness
Engine - Cold Weather Spark Plug Fouling
All Technical Service Bulletins
HEI System - Description and Diagnosis Chart
Engine - Miss, Hesitation, or Roughness
Engine - Cold Weather Spark Plug Fouling
Ignition - Spark Plug Application & Gap
Spark Plug - Gap Information
ECM - Knock Retard Data Stream Changes