Back to 2009 Acura RL

2009 ACURA RL

3.5L V6•AWD•AUTOMATIC•gas
6 active safety recalls on this vehicle — view recalls
Repairs0Labor1182Torque7058Fluid15DTC1756Battery0Maintenance0Recalls6
P0158moderate severityPowertrain

O2 Sensor Circuit High Voltage Bank 2 Sensor 2

on 2009 Acura RL 3.5L V6 · AWD

What this code means

High voltage from the downstream O2 sensor on Bank 2.

Symptoms

  • Check Engine Light
  • May indicate catalyst failure

Common causes

  • Faulty sensor
  • Catalyst failure
  • Rich condition

Diagnostic steps

  1. Test voltage
  2. Check catalyst

Repair notes

Replace sensor or catalyst.

Other Powertrain codes on this vehicle

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