Diesel Data
: Automotive Repair
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Chevy Truck
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1983
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S10/T10 Blazer 4WD L4-119 1.9L VIN A 2-BBL
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Repair and Diagnosis
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A L L Diagnostic Trouble Codes ( DTC )
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Testing and Inspection
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Manufacturer Code Charts
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DTC 31
DTC 31
Code 31 - No Reference Signal:
