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Subaru
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1999
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Impreza L Coupe F4-2.2L SOHC
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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
T: DTC P0171 - FUEL TRIM MALFUNCTION (A/F TOO LEAN)
NOTE:
For the diagnostic procedure, refer to "Trouble Code Diagnostic Procedures".