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Subaru
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2012
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Legacy F6-3.6L DOHC
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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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P Code Charts
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P0172
P0172
DTC P0172 SYSTEM TOO RICH (BANK 1)
Refer to DTC P0175 for diagnostic procedure.
P0175