Ignition System: Technical Service Bulletins
- Customer Interest
- Engine - Power Loss, Hesitation, Shudder/Backfire
- Engine - Miss, Hesitation, or Roughness
- Engine Idle Surge, DTC 30 (Idle Speed Control) Set
- Instruments - Telltale Lights/Digital Displays Erratic
- Engine - No Start/Hard Start/Poor Performance
- Ignition - Miss, Stumble, Hesitation, Code 53, E53, E053
- By Symptom
- Abnormal wear/deterioration
- Customer Interest
- Engine - Power Loss, Hesitation, Shudder/Backfire
- Engine - Miss, Hesitation, or Roughness
- Engine Idle Surge, DTC 30 (Idle Speed Control) Set
- Instruments - Telltale Lights/Digital Displays Erratic
- Engine - No Start/Hard Start/Poor Performance
- Ignition - Miss, Stumble, Hesitation, Code 53, E53, E053
- Driveability
- Erratic Operation
- Shorted/Open circuit
- Starting problems
- Weak Spark
- All Technical Service Bulletins
- HEI System - Description and Diagnosis Chart
- Engine - Power Loss, Hesitation, Shudder/Backfire
- Engine - Miss, Hesitation, or Roughness
- Spark Plug - New Design
- Engine Idle Surge, DTC 30 (Idle Speed Control) Set
- Ignition System - Alternate On-Car HEI Module Test
- Instruments - Telltale Lights/Digital Displays Erratic
- Engine - No Start/Hard Start/Poor Performance
- Ignition - Miss, Stumble, Hesitation, Code 53, E53, E053
- Secondary Ignition Wire - Service Precautions