P0133

DTC P0133: A/F Sensor (Sensor 1) Slow Response - 2004 model

NOTE:
- Information marked with an asterisk (*) applies to 2002-2003 models.
- If DTC P1162 is stored at the same time as DTC P1163, troubleshoot DTC P1162 first, then recheck for DTC P1163 (2002-2003 models).

1. Reset the ECM.
2. Start the engine. Hold the engine at 3,000 rpm with no load (in Park or neutral) until the radiator fan comes on.
3. Test-drive under these conditions.
- 55 mph (89 km/h) steady speed
- CVT in D position (M/T in 5th gear)
- Until readiness code or Temporary DTC P0133 (P1163)* comes on

4. Check for a Temporary DTC with a scan tool or the HDS.

Is Temporary DTC P0133 (P1163)* indicated?

YES - Replace the A/F sensor (Sensor 1).

NO - Intermittent failure, system is OK at this time. Check for poor connections or loose wires at the A/F Sensor (Sensor 1) and the ECM.