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Home >> Honda >> 2007 >> Fit Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> PGM-FI System >> DTC Troubleshooting >> DTC P0133: A/F Sensor (Sensor 1) Response Malfunction/Slow Response

DTC P0133: A/F Sensor (Sensor 1) Response Malfunction/Slow Response

NOTE:
  • Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION ).
  • If DTC P0139 is stored at the same time as DTC P0133, troubleshoot DTC P0139 first, then recheck for DTC P0133.
  1. Turn the ignition switch ON (II).
  2. Clear the DTC with the HDS.
  3. Start the engine. Hold the engine speed at 3,000 rpm without load (in Park or neutral) until the radiator fan comes on.
  4. Test-drive under these conditions:
    • Engine coolant temperature (ECT SENSOR 1) above 158°F (70°C)
    • A/T in D position (M/T in 3rd or 4th gear)
    • Drive the vehicle at 25 mph (40 km/h) or less for 5 minutes, then drive at a steady speed between 26-81 mph (41-130 km/h).
  5. Monitor the OBD STATUS for DTC P0133 in the DTCs MENU with the HDS.

    Does the screen indicate FAILED? 

    YES  - Go to step  6.

    NO  - If the screen indicates PASSED, intermittent failure, the system is OK at this time. Check for poor connections or loose terminals at the A/F sensor (Sensor 1) and the ECM/PCM. If the screen indicates EXECUTING, keep driving until a result comes on. If the screen indicates OUT OF CONDITION, go to step  3 and recheck.

  6. Turn the ignition switch OFF.
  7. Replace the A/F sensor (Sensor 1) (see A/F SENSOR REPLACEMENT ).
  8. Turn the ignition switch ON (II).
  9. Reset the ECM/PCM with the HDS.
  10. Do the ECM/PCM idle learn procedure (see ECM/PCM IDLE LEARN PROCEDURE ).
  11. Start the engine. Hold the engine speed at 3,000 rpm without load (in Park or neutral) until the radiator fan comes on.
  12. Test-drive under these conditions:
    • Engine coolant temperature (ECT SENSOR 1) above 158°F (70°C)
    • A/T in D position (M/T in 3rd or 4th gear)
    • Drive the vehicle at 25 mph (40 km/h) or less for 5 minutes, then drive at a steady speed between 26-81 mph (41-130 km/h).
  13. Check for Temporary DTCs or DTCs with the HDS.

    Is DTC P0133 indicated? 

    YES  - Check for poor connections or loose terminals at the A/F sensor (Sensor 1) and the ECM/PCM, then go to step  1.

    NO  - Go to step  14.

  14. Monitor the OBD STATUS for DTC P0133 in the DTCs MENU with the HDS.

    Does the screen indicate PASSED? 

    YES  - Troubleshooting is complete. If any other Temporary DTCs or DTCs were indicated in step 13, go to the indicated DTCs troubleshooting.

    NO  - If the screen indicates FAILED, check for poor connections or loose terminals at the A/F sensor (Sensor 1) and the ECM/PCM, then go to step  1. If the screen indicates EXECUTING, keep driving until a result comes on. If the screen indicates OUT OF CONDITION, go to step  11.

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