DTC P1165 (D16Y5 M/T): PRIMARY HO2S-1 RANGE/PERFORMANCE PROBLEM Honda Civic GA

Perform PCM reset procedure. See PCM RESET PROCEDURE/CLEARING DTCS in SELF-DIAGNOSTICS - INTRODUCTION article. Start engine and run at 3000 RPM with no loads and transmission in Park or Neutral until radiator fan comes on. Connect SCS Service Connector (07PAZ-0010100). Test drive vehicle at a steady speed of 55 MPH in 5th gear until readiness code comes on. If DTC P1165 is not indicated, problem is intermittent. System is okay at this time. Check for poor connections or loose wires at HO2S-1 and PCM connectors. See appropriate wiring diagram in WIRING DIAGRAMS article. Repair as necessary. If DTC P1164 is indicated, replace HO2S-1.