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GMC
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1997
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C3500 HD 6.5 F, Automatic
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Tests W/Codes - 6.5L
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Diagnostic Trouble Codes
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DTC P0402 - EGR System Flow Excessive
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Notes
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
DTC P0402 - EGR System Flow Excessive: Notes
NOTE:
For circuit reference, see
Figure
. For connector and terminal identification, see
CONNECTOR IDENTIFICATION
.