DTC P0133: FRONT HO2S-1 SLOW RESPONSE Honda CR-V I

Note. If DTCs P0131, P0132 and/or P0135 are present with P0133, trouble shoot those DTCs before DTC P0133.

1. Perform PCM reset procedure. See «PCM RESET PROCEDURE/CLEARING DTCS»(ref-16284-S05371059252001010800000) . Start engine and run at 3000 RPM with no loads and transmission in Park or Neutral, until radiator fan comes on. Allow engine to idle. Connect SCS Service Connector (07PAZ-0010100). Test drive vehicle at 55 MPH, with transmission in D4 position (A/T) or 5th gear (M/T), until readiness code comes on.
2. If DTC P0133 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 the «WIRING DIAGRAMS»(ref-16319) article. Repair as necessary. If DTC P0133 is indicated, replace front HO2S-1.