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Chevrolet
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2003
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Venture Base, Van Cargo Extended
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Self-Diagnostics
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Diagnostic Tests
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DTC P0403: EGR Valve Control Circuit
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Test Description
Test Description
The numbers below refer to the step numbers in the diagnostic procedures.
6 -
This step tests if voltage is constantly being applied to the EGR valve.