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2013 AUDI A6

3.0L Supercharged V6•AWD•AUTOMATIC•gas•supercharged
6 active safety recalls on this vehicle — view recalls
Repairs0Labor991Torque6374Fluid15DTC1810Battery0Maintenance0Recalls6
P0175high severityPowertrain

System Too Rich Bank 2

on 2013 Audi A6 3.0L Supercharged V6 · AWD

What this code means

The long-term fuel trim for Bank 2 has exceeded the negative limit, indicating rich running on Bank 2.

Symptoms

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

Common causes

  • Leaking injector Bank 2
  • High fuel pressure
  • Faulty O2 sensor Bank 2
  • EVAP issue

Diagnostic steps

  1. Check fuel trim Bank 2
  2. Test injectors Bank 2
  3. Test fuel pressure
  4. Check O2 sensor Bank 2

Repair notes

Same diagnostic approach as P0172 but focused on Bank 2.

Other Powertrain codes on this vehicle

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