Mike's Workshop Manuals
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Chevrolet
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2006
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Uplander Base
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - 3.5L - DTC P0220 To DTC P0455
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DTC P0403
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Conditions for Running the DTC
Conditions for Running the DTC
The engine is cranking or running.
The Ignition 1 Signal parameter is between 11-18 volts.