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Home >> Acura >> 2021 >> RDX Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTC Diagnostics (P1659 - U0047) >> DTC Troubleshooting >> DTC P2270 >> Confirmation Procedure

Confirmation Procedure

  1. Start the engine. Hold the engine speed at 3000 RPM without load (in P or N) until the radiator fan comes on, then let it idle for 2 minutes.
  2. Test-drive the vehicle under these conditions:
    • HDS [ ECT Sensor 1 ] above 158 deg.F (70 deg.C)
    • Transmission in D
    • HDS [ Engine Speed ] between 1500 -3000 RPM
    • Drive 30 seconds or more
  3. Monitor the HDS [ OBD STATUS (PGM-FI) ] for DTC P2270.
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