FixVault

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

DTC P0171, P2187: Overview

If long term fuel trim (LTFT) is higher than a specified value, the PCM determines an abnormality and stores the DTC.