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Chevy Truck
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1993
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Astro Van L AWD V6-262 4.3L VIN Z
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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 23
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Powertrain Controls - ECM/PCM
Powertrain Controls - ECM/PCM
IAT Sensor Circuit:
DTC 23 (IAT) Chart:
