1982 Test Charts

Fig 1: Diagnostic Procedure

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Courtesy of GENERAL MOTORS COMPANY

Fig 2: Diagnostic Circuit Check

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Fig 3: Systems Performance Check Driver Complaint Or Emission Failure Engine Performance Problem (Odor, Surge, Fuel Economy)

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Fig 4: Electronic Control Module (ECM) Check

G09360686

Courtesy of GENERAL MOTORS COMPANY

Fig 5: Vacuum Control Valve (VCV) Check

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Fig 6: Mixture Control (M/C) Valve Check

G09360688

Courtesy of GENERAL MOTORS COMPANY

Fig 7: Air Switching Valve (ASV) Check

G09360689

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Fig 8: Open Loop And Wide Open Throttle (WOT) Check

G09360690

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Fig 9: Anti-Dieseling System Check

G09360691

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Fig 10: Air System Check

G09360692

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Fig 11: Fixed 36° OR 54° Dwell Chart

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Fig 12: Trouble Codes 21 OR 22

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Fig 13: Trouble Code 24

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Fig 14: Trouble Code 23

G09360695

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Fig 15: Trouble Code 25

G09360697

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Fig 16: Trouble Codes 12 Thru 15

G09360698

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Fig 17: "Check Engine" Lamp Inoperative

G09360699

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Fig 18: Slow Cut System Check

G09360700

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Fig 19: Canister Check

G09360701

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Fig 20: Slow Cut Solenoid Check

G09360702

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Fig 21: Engine Cranks, But Will Not Run

G09360703

Courtesy of GENERAL MOTORS COMPANY