Operation CHARM
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Pontiac
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1983
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J2000/Sunbird L4-112 1.8L
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Sensors and Switches - Computers and Control Systems
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Manifold Pressure/Vacuum Sensor
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Testing and Inspection
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Component Diagnostic Charts - Vacuum Sensor
Component Diagnostic Charts - Vacuum Sensor
Fig. 7 Vacuum sensor diagnostic chart. All models with vacuum sensor (use this chart with EST diagnostic & performance charts):
