Error code

OBD2 P2008

OBD2P2008
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.

What it means

Intake Manifold Runner Control Circuit/Open.

Severity

moderateCan drive, but may experience performance issues and rough idling.

Summary

Code P2008 indicates an open circuit in the intake manifold runner control actuator/solenoid on bank 1. This affects engine performance and can cause driveability issues.

Symptoms

  • Power loss at low engine speeds
  • Rough or erratic idling
  • Hesitation and stumbling upon acceleration
  • Hard or no start conditions

Common Causes

  • Burnt, damaged, shorted, disconnected, or corroded wiring and/or connectors
  • Defective actuator stepper motor
  • Vacuum leaks caused by damaged or dislodged vacuum lines/components
  • Defective manifold runner position switch
  • Failed PCM (rare)

Diagnosis

  1. Record all fault codes and freeze frame data.
  2. Inspect wiring and vacuum lines for damage or leaks.
  3. Perform electrical tests on the control circuit if no visible damage is found.
  4. Test the position sensor and actuator with a hand-held vacuum pump (if applicable).
  5. Check for intermittent faults by commanding flap movements multiple times.

Fixes

  • Repair or replace damaged wiring, connectors, or vacuum lines.
  • Replace defective actuator stepper motor or position switch.

FAQ

What does P2008 mean?

P2008 indicates an open circuit in the intake manifold runner control system on bank 1.

How do I fix P2008?

Fixes include repairing or replacing damaged wiring, connectors, vacuum lines, actuator stepper motor, and position switch.

View source

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

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