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Home >> Acura >> 2021 >> RDX Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTC Diagnostics (P0010 - P0299) >> DTC Troubleshooting >> DTC P0171, P2187 >> Confirmation Procedure

Confirmation Procedure

1. Review the HDS [ On-board snapshot ] and record the value of [ AF FB (ST Fuel Trim) ] when the DTC P0171 and/or P2187 was set.

2. Test-drive the vehicle under the same conditions when the DTC P0171 and/or P2187 was set.

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