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Home >> Acura >> 2019 >> RDX Technology, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTC Diagnostics (P0010 - P0299) >> DTC Troubleshooting >> DTC P0171, P2187 >> Notes
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DTC P0171, P2187: Notes

DTC P0171  : Fuel System Too Lean

DTC P2187  : Fuel System Too Lean at Idle

How To Use This Service Information .

Before you troubleshoot, review the How to Troubleshoot .

NOTE:
  • Do not clear the DTC or reset the PCM before beginning this troubleshooting procedure until instructed to clear it. Clearing the DTC or resetting the PCM can delete valuable diagnostic information, even if the on-board snapshot is saved.
  • Inspect for aftermarket fuel system and engine components before beginning troubleshooting.
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