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2014 RAM 2500
6.7L I6 Cummins Diesel•4WD•AUTOMATIC•diesel•turbo
16 active safety recalls on this vehicle — view recalls🏆Sponsored by Lost Pines Precision Automotive· Bastrop, TX
Repairs436Labor519Torque3583Fluid10DTC1037Battery1Maintenance0Recalls16
P3007high severityPowertrain

Variable Geometry Turbo Vanes Stuck/Binding

on 2014 Ram 2500 6.7L I6 Cummins Diesel · 4WD

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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