Diesel Data
: Automotive Repair
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Buick
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1985
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Somerset Regal L4-151 2.5L
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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
Digital Cluster - Engine Electrical Related Conditions
By Symptom
Customer Interest
Engine - Miss, Hesitation, or Roughness
Digital Cluster - Engine Electrical Related Conditions
Driveability
Engine - Miss, Hesitation, or Roughness
Erratic Operation
Engine - Miss, Hesitation, or Roughness
Inoperative
Digital Cluster - Engine Electrical Related Conditions
Shorted/Open circuit
Digital Cluster - Engine Electrical Related Conditions
All Technical Service Bulletins
Engine Controls - Revised Diagnostic Chart C-4B
Engine - Miss, Hesitation, or Roughness
Digital Cluster - Engine Electrical Related Conditions
Ignition - Spark Plug Application & Gap