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2015 AUDI A6

3.0L Supercharged V6•AWD•AUTOMATIC•gas•supercharged
4 active safety recalls on this vehicle — view recalls
Repairs0Labor991Torque6374Fluid15DTC1824Battery0Maintenance0Recalls4
P0132moderate severityPowertrain

O2 Sensor Circuit High Voltage Bank 1 Sensor 1

on 2015 Audi A6 3.0L Supercharged V6 · AWD

What this code means

The upstream O2 sensor voltage on Bank 1 is staying above 0.45V, indicating a rich condition or sensor fault.

Symptoms

  • Check Engine Light
  • Rich running
  • Black exhaust smoke
  • Poor fuel economy

Common causes

  • Faulty O2 sensor
  • Leaking fuel injector
  • High fuel pressure
  • EVAP purge valve stuck open

Diagnostic steps

  1. Monitor O2 sensor voltage
  2. Test fuel pressure
  3. Check for leaking injectors
  4. Inspect EVAP purge valve

Repair notes

Replace O2 sensor or fix rich-running cause.

Other Powertrain codes on this vehicle

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