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Chevy Truck
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1990
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S10/T10 P/U 4WD V6-262 4.3L
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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 07
DTC 07
Code 7 Diagnosis (Shorted Isolation Valve Or Faulty ECU):
