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GMC Truck
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1988
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K 2500 Truck 4WD V6-262 4.3L
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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
Engine - Miss, Hesitation, or Roughness
Intake Air Duct - Reduced Engine Performance
Emission - Driveability/Exhaust Odor/Emission Testing
Engine, A/T - Shift/Driveability Concerns/MIL ON
By Symptom
Customer Interest
Engine - Miss, Hesitation, or Roughness
Intake Air Duct - Reduced Engine Performance
Emission - Driveability/Exhaust Odor/Emission Testing
Engine, A/T - Shift/Driveability Concerns/MIL ON
Driveability
Engine - Miss, Hesitation, or Roughness
Intake Air Duct - Reduced Engine Performance
Emission - Driveability/Exhaust Odor/Emission Testing
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
High emissions
Emission - Driveability/Exhaust Odor/Emission Testing
Odors
Emission - Driveability/Exhaust Odor/Emission Testing
Starting problems
Emission - Driveability/Exhaust Odor/Emission Testing
All Technical Service Bulletins
Engine - Miss, Hesitation, or Roughness
Intake Air Duct - Reduced Engine Performance
Engine Controls - Idle Speed/Minumum Idle Air Rate Specs
Emission - Driveability/Exhaust Odor/Emission Testing
Ignition System - Spark Plug Usage Change
Engine, A/T - Shift/Driveability Concerns/MIL ON