Operation CHARM
: Car repair manuals for everyone.
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GMC Truck
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1982
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S15,T15 P/U-Jimmy V6-173 2.8L
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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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Tools and Equipment
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Positions
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MPH
MPH
Displays vehicle speed by sensing pulses transmitted to the ECM from the
vehicle speed sensor
.