All codes/P200B

P200B

Intake Manifold Runner Performance

Moderate severity

This code indicates intake manifold runner performance (bank 2). It relates to the emissions: nox, particulate, dpf, scr and may affect performance, emissions, or drivability depending on the exact failure.

Intake Manifold Runner Performance (Bank 2)

Common causes

  • Sensor failure

    O2, NOx, pressure, or temperature sensors can drift or fail.

    medium

    Typical part cost: $100-400

  • Exhaust leak or restriction

    Leaks before sensors or a restricted exhaust can set emissions codes.

    medium

    Typical part cost: $100-400

  • See all causes + fix costs

    Create a free Wrenchify account to unlock the rest for P200B.

    Unlock causes

    Free forever · No credit card

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.

Get the full step-by-step diagnosis

Create a free Wrenchify account to unlock the rest for P200B.

Unlock diagnosis

Free forever · No credit card

Related codes

See related trouble codes

Create a free Wrenchify account to unlock the rest for P200B.

Unlock related codes

Free forever · No credit card

Frequently asked questions

What does P200B mean?

P200B means "Intake Manifold Runner Performance (Bank 2)". It is a generic OBD-II code that points to a fault in the emissions: nox, particulate, dpf, scr.

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.

Get the full P200B diagnosis for your vehicle

Year, make, model + step-by-step repair help — free plan included.

Diagnose P200B