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Diagnose/P2186
P2186High SeverityEngine

Throttle Body Range/Performance

What This Means

The throttle body system has detected a range/performance condition. This is part of the electronic throttle control system that manages throttle opening based on accelerator pedal input.

Common Symptoms

  • Reduced engine power mode
  • Poor throttle response
  • Limp mode activation
  • Multiple warning lights

Common Causes

  • Faulty throttle body assembly
  • Accelerator pedal sensor failure
  • Wiring damage
  • Carbon buildup
  • PCM driver failure

Estimated Repair Cost

$150 – $800
Parts and labor (varies by vehicle and location)
Difficulty:Moderate

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For informational purposes only. Diagnostic trouble codes are starting points for diagnosis, not definitive answers. Always consult a certified mechanic for proper diagnosis and repair. Estimated costs vary by vehicle, location, and shop rates.