All codes/P0665

P0665

Intake Manifold Tuning Valve Control Circuit High Bank 2

Moderate severity

Same as P0662 on bank 2. The intake manifold runner control (IMRC) flaps tune intake geometry for filling efficiency across the rpm range; stuck flaps cost part-load torque and can set lean codes.

Same as P0662 on bank 2. The intake manifold runner control (IMRC) flaps tune intake geometry for filling efficiency across the rpm range; stuck flaps cost part-load torque and can set lean codes.

Common causes

  • Control line shorted to supply

    One of the most commonly reported causes for this code — check this first.

    high

    Typical part cost: $130-550

  • Connector pins corroded - high contact resistance

    Less common, but worth ruling out after the more likely causes.

    low

    Typical part cost: $130-550

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First things to check

  1. 1Confirm the code with a scan tool and check for additional related codes.
  2. 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.

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Related codes

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Frequently asked questions

What does P0665 mean?

P0665 means "Intake Manifold Tuning Valve Control Circuit High Bank 2". It is a generic OBD-II code that points to a fault in the computer & auxiliary output controls.

What are the most common causes of P0665?

control line shorted to supply; connector pins corroded - high contact resistance; supply wire pinched against b+ source — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.

Can I keep driving with this code?

The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.

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