Operation CHARM
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Saturn
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1991
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SC L4-1.9L DOHC VIN 7
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Repair and Diagnosis
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Powertrain Management
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Tune-up and Engine Performance Checks
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Idle Speed
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Technical Service Bulletins
Idle Speed: Technical Service Bulletins
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By Symptom
Inoperative
ECM - Inter. No Cooling Fan/High Coolant Temp/Idle High
Overheating
ECM - Inter. No Cooling Fan/High Coolant Temp/Idle High
Poor performance
ECM - Inter. No Cooling Fan/High Coolant Temp/Idle High
All Technical Service Bulletins
ECM - Inter. No Cooling Fan/High Coolant Temp/Idle High