Operation CHARM
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Dodge or Ram Truck
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1991
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D 150 Pickup V6-239 3.9L
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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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Technical Service Bulletins
Computers and Control Systems: Technical Service Bulletins
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Customer Interest
ECM - Low Fuel Economy At Highway Speeds
By Symptom
ECM - Low Fuel Economy At Highway Speeds
All Technical Service Bulletins
A/C - Evaporator Freezes Up/Lack Of Cooling
Auto Computers - Y2K Effects
ECM - Low Fuel Economy At Highway Speeds