OBD-II code · Powertrain (generic, extended)

P2AB6 Cold Start Intake Manifold Runner Control Stuck Closed Bank 2

During cold start, the intake manifold runner control on bank 2 cannot reach the open position. Air supply may be restricted as the engine warms up.

Is it safe to drive with P2AB6?

Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.

Common causes

  • Most likelyActuator sluggish at cold temperatures
  • PossibleLinkage iced or stiff
  • Less likelyCarbon or debris buildup preventing free movement

Repair at a glance

Difficulty
Medium
DIY friendly
Best left to a mechanic
Typical labour
1–4 h
Emissions test
Likely to fail
After the fix
A drive cycle is needed before the light stays off
Parts involved
Imrc Actuator B2, Intake Manifold Runners

Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.