Diesel Data
: Automotive Repair
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Chevy Truck
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1983
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S10/T10 Blazer 2WD 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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Diagnostic Trouble Code Descriptions
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Code 25
Code 25
Air switching solenoid circuit open or grounded.