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GMC
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1982
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Forward Control 4.8L Eng VIN T, Standard Trans
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Repair and Diagnosis
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Engine Performance
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Tune-Up
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Tune-Up - 6 CYL
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Idle Mixture
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Notes
Idle Mixture: Notes
NOTE:
Idle mixture should be adjusted only after major carburetor overhaul, throttle body replacement, or failure of emissions test.