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2007 TOYOTA AVALON

3.5L V6FWDAUTOMATICgas
6 active safety recalls on this vehicle — view recalls
Repairs0Labor469Torque2476Fluid6DTC855Battery1Maintenance0Recalls6
P0153moderate severityPowertrain

O2 Sensor Circuit Slow Response Bank 2 Sensor 1

on 2007 Toyota Avalon 3.5L V6 · FWD

What this code means

The upstream O2 sensor on Bank 2 is responding too slowly.

Symptoms

  • Check Engine Light
  • Poor fuel economy
  • Failed emissions

Common causes

  • Aging sensor
  • Contaminated sensor
  • Exhaust leak

Diagnostic steps

  1. Monitor switching rate
  2. Check for leaks
  3. Test response time

Repair notes

Replace O2 sensor.

Other Powertrain codes on this vehicle

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