P0133

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

NOTE: Information marked with an asterisk (*) applies to 2004-2005 models.

1. Reset the ECM with the HDS.
2. Start the engine. Hold the engine speed at 3,000 rpm without 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 DTC P0133* comes on

4. Check for a Temporary DTCs or DTCs with the HDS.

Is DTC P0133* indicated?

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

NO - 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.