Diesel Data
: Automotive Repair
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Chevy Truck
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1988
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C 1500 Truck 2WD V6-262 4.3L
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Testing and Inspection
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Code 3: Open Dump Valve or ECU Malfunction
Code 3: Open Dump Valve or ECU Malfunction
Code 3 Diagnosis (Open Dump Valve Or ECU Malfunction):
