Operation CHARM
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1985
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Grand AM V6-181 3.0L
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Repair and Diagnosis
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Powertrain Management
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Ignition System
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Relays and Modules - Ignition System
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Electronic Spark Control Module
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Testing and Inspection
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1985-86 Port Injected Models Exc. 4-110/1.8L
1985-86 Port Injected Models Exc. 4-110/1.8L
Fig. 6e ESC performance chart (1985-86 port injected models exc. 4-110/1.8L):