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Saturn
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2006
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Relay 3.5 L, AWD
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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 P0401
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DTC Descriptor
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
DTC Descriptor
DTC P0401
Exhaust Gas Recirculation (EGR) Flow Insufficient