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2012
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Forester F4-2.5L DOHC Turbo
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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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P0171
P0171
DTC P0171 SYSTEM TOO LEAN (BANK 1)
NOTE:
For the diagnostic procedure, refer to DTC P0172.
P0172