Operation CHARM
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GMC Truck
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1989
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Jimmy Full Size V8-379 6.2L DSL
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Repair and Diagnosis
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Maintenance
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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
Intake Air Duct - Reduced Engine Performance
Engine, A/T - Shift/Driveability Concerns/MIL ON
By Symptom
Customer Interest
Intake Air Duct - Reduced Engine Performance
Engine, A/T - Shift/Driveability Concerns/MIL ON
Driveability
Intake Air Duct - Reduced Engine Performance
Engine, A/T - Shift/Driveability Concerns/MIL ON
Erratic Shifting
Engine, A/T - Shift/Driveability Concerns/MIL ON
All Technical Service Bulletins
Intake Air Duct - Reduced Engine Performance
Fuel Filter Base - Restriction Switch Elimination
Engine, A/T - Shift/Driveability Concerns/MIL ON