Operation CHARM
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Chevy Truck
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1991
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C 1500 Truck 2WD V8-454 7.4L
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Repair and Diagnosis
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Powertrain Management
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Tune-up and Engine Performance Checks
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Technical Service Bulletins
Tune-up and Engine Performance Checks: Technical Service Bulletins
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Customer Interest
TBI Fuel System - Power Curve Information
Engine - Miss, Hesitation, or Roughness
Fuel - Injector Wires Trapped Under Air Cleaner
Engine - Reduced Performance In Warmer Climates
Engine, A/T - Shift/Driveability Concerns/MIL ON
By Symptom
Customer Interest
TBI Fuel System - Power Curve Information
Engine - Miss, Hesitation, or Roughness
Fuel - Injector Wires Trapped Under Air Cleaner
Engine - Reduced Performance In Warmer Climates
Engine, A/T - Shift/Driveability Concerns/MIL ON
Driveability
TBI Fuel System - Power Curve Information
Engine - Miss, Hesitation, or Roughness
Engine - Reduced Performance In Warmer Climates
Engine, A/T - Shift/Driveability Concerns/MIL ON
Erratic Operation
Engine - Miss, Hesitation, or Roughness
Erratic Shifting
Engine, A/T - Shift/Driveability Concerns/MIL ON
Sticking/Binding
Fuel - Injector Wires Trapped Under Air Cleaner
All Technical Service Bulletins
TBI Fuel System - Power Curve Information
Engine - Miss, Hesitation, or Roughness
Spark Plugs - Revised
Engine - Valve Adjustment Conversion/Procedure
Fuel - Injector Wires Trapped Under Air Cleaner
Engine - Reduced Performance In Warmer Climates
Engine, A/T - Shift/Driveability Concerns/MIL ON