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2010 AUDI A3
2.0L TDI I4•FWD•AUTOMATIC•diesel•CBEA•turbo
5 active safety recalls on this vehicle — view recalls
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Repairs0Labor506Torque4360Fluid7DTC988Battery1Maintenance0Recalls5
P3007high severityPowertrain

Variable Geometry Turbo Vanes Stuck/Binding

on 2010 Audi A3 2.0L TDI I4 · FWD

What this code means

The VGT vanes are mechanically stuck or binding, preventing proper turbo boost control across the RPM range.

Symptoms

  • Check Engine Light
  • Black smoke under acceleration
  • Poor throttle response
  • Turbo whistle or surge
  • Loss of power at various RPMs
  • Excessive exhaust gas temperature

Common causes

  • Carbon/soot buildup on vanes
  • Actuator linkage failure
  • Vane pivot pins seized
  • Exhaust leak before turbo
  • Failed VGT unison ring

Diagnostic steps

  1. Command vanes open/closed with scan tool
  2. Monitor vane position vs commanded position
  3. Inspect turbo for carbon deposits
  4. Check exhaust system for leaks pre-turbo
  5. Remove turbo for manual vane inspection

Repair notes

Remove turbo and clean VGT mechanism. Replace unison ring or vane assembly if damaged. Address root cause of excessive soot.

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