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Home >> Honda >> 2004 >> Element EX, 2.4 YH2, Standard >> Repair and Diagnosis >> Engine Performance >> System >> PGM-FI System >> DTC Troubleshooting >> DTC P0133: A/F Sensor (Sensor 1) Slow Response

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

NOTE:
  • If DTC P0139 is stored at the same time as DTC P0133, troubleshoot DTC P0139 first, then recheck for DTC P0133.
  • Before you troubleshoot, record all freeze data and any on-board snapshot, and review the general troubleshooting information (see GENERAL TROUBLESHOOTING INFORMATION ).
  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, then let it idle.
  4. Test-drive under these conditions:
    • ECT SENSOR above 158°F (70°C)
    • A/T in D position (M/T in 5th gear)
    • Vehicle speed between 25 mph (41 km/h) and 55 mph (88 km/h) for 5 minutes, then maintain a steady speed between 30 mph (49 km/h) and 75 mph (120 km/h).
  5. Monitor the OBD STATUS for DTC P0133 in the DTCs MENU with the HDS.

    Does the screen indicate FAILED? 

    1. YES-  Go to step  6.
    2. NO-  If the screen indicates PASSED, intermittent failure, 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, then let it idle.
  12. Test-drive under these conditions:
    • ECT SENSOR above 158°F (70°C)
    • A/T in D position (M/T in 5th gear)
    • Vehicle speed between 25 mph (41 km/h) and 55 mph (88 km/h) for 5 minutes, then maintain a steady speed between 30 mph (49 km/h) and 75 mph (120 km/h).
  13. Check for Temporary DTCs or DTCs with the HDS.

    Are any Temporary DTCs or DTCs indicated? 

    1. YES-  If DTC P0133 is indicated, check for poor connections or loose terminals at the A/F sensor (Sensor 1) and the ECM/PCM, then go to step  1. If any other Temporary DTCs or DTCs are indicated, go to the indicated DTC's troubleshooting.
    2. 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? 

    1. YES-  Troubleshooting is complete.
    2. 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  10 and recheck.
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