Error code

OBD2 P2005

OBD2P2005
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Intake Manifold Runner Control Stuck Open.

Severity

moderateThe vehicle is generally drivable, but performance issues may occur.

Summary

Code P2005 indicates that the intake manifold air control actuator for bank 2 is stuck open, affecting how air flows into the engine and potentially impacting performance.

Symptoms

  • Hesitation upon acceleration
  • Diminished fuel efficiency
  • Reduction in engine performance at low RPM levels
  • Engine surge

Common Causes

  • Defective IMAC actuator solenoid
  • Bad intake manifold runner position sensor
  • Open or shorted wiring in the IMAC actuator solenoid control circuit
  • Faulty MAP Sensor
  • Loose or binding intake manifold runners
  • Corroded IMAC actuator solenoid connector face

Diagnosis

  1. Perform a visual inspection of system wiring and connectors for corrosion or damage.
  2. Use a diagnostic scan tool to retrieve codes and freeze frame data.
  3. Test the IMAC actuator solenoid and position sensor with a digital volt/ohmmeter.
  4. Check resistance and continuity on all system circuits.

Fixes

  • Replace the faulty IMAC actuator solenoid or intake manifold runner position sensor if they fail tests.

FAQ

What should I do if my car has code P2005?

Start by checking for corrosion and damage in the wiring and connectors. Use diagnostic tools to test the IMAC actuator solenoid and position sensor, and replace any faulty components.

Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.