Skip to main content
Diagnose/P0665
P0665Medium SeverityEngine

Intake Manifold Tuning Valve Circuit Intermittent (Bank 1)

What This Means

The intake manifold tuning valve signal is cutting in and out. This component is part of the engine management system and affects intake air flow optimization.

Common Symptoms

  • Check engine light on
  • Reduced performance
  • System malfunction
  • Warning lights

Common Causes

  • Failed actuator or module
  • Wiring damage
  • Connector corrosion
  • PCM driver failure
  • Internal component failure

Estimated Repair Cost

$100 – $700
Parts and labor (varies by vehicle and location)
Difficulty:Moderate

Need This Fixed?

Find certified mechanics near you who can diagnose and repair P0665.

Find a Shop Near You
Search Another Code

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.