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Home >> Acura >> 2000 >> 1.6EL XS, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> PGM-FI System >> Troubleshooting Flowcharts >> Fuel Supply System >> DTC P0171, P0172 >> Notes
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DTC P0171, P0172: Notes

[P0171  ] The scan tool indicates Diagnostic Trouble Code (DTC) P0171: The fuel system is too lean.

[P0172  ] The scan tool indicates Diagnostic Trouble Code (DTC) P0172: The fuel system is too rich.

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