What Does the Engine Code P2006 Mean?

If engine code P2006 appears on your dashboard, you’re dealing with an intake manifold runner control that is stuck closed.
Written by Talullah Blanco
Reviewed by Melanie Reiff
background
If your car is showing the P2006 engine code, your intake manifold runner control flap for engine bank 1 is stuck closed. A faulty IMRC flap should be fixed promptly to avoid further engine performance problems. 
Diagnostic trouble codes indicate there is a component of your car that is not operating correctly. If an engine code is displayed on your car’s dashboard, it’s important to understand what it means so you can properly diagnose the problem and fix it. 
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What does the engine code P2006 mean?

Definition: Intake manifold runner control stuck closed (bank 1)
The P2006 engine code indicates a problem with your car’s intake manifold runner control flap for engine bank 1. The intake manifold runner control system improves the engine airflow process, which boosts performance and efficiency. 

How much will it cost to fix?

If you need to repair or
replace your intake manifold runner
, total parts and labor can cost anywhere between $400 and $600. 

What can cause the P2006 engine code?

If the P2006 engine code is displayed on your car’s dashboard, your intake manifold runner control flap for engine bank 1 is probably stuck in the closed position. Other possible causes of this engine code include:
  • Faulty intake manifold runner control actuator
  • The intake manifold runner control actuator harness is open or shorted
  • Poor electrical circuit connection
  • Faulty powertrain control module

Common symptoms of the P2006 engine code

You might not see any visible symptoms accompanying the P2006 engine code other than a
lit check engine light
. You may notice other symptoms including:
  • Slow or sluggish acceleration 
  • Rough or fluctuating idle
  • Rich exhaust
  • Diminished fuel efficiency
  • Engine surge
If your intake manifold is stuck in the closed position, your car might start easily and accelerate smoothly, but after driving for a few minutes your engine will surge in speed or misfire. 

How serious is the P2006 engine code? 

The P2006 engine code affects your car’s driveability and should be dealt with promptly. If left unfixed, a closed intake manifold runner control flap tarnishes your engine’s fuel and airflow mixture leading to performance problems and further damage to your engine. 

Can I fix the P2006 engine code myself?

If you plan to fix the P2006 engine code yourself, it’s important that you properly diagnose the cause of the code before you attempt any repairs. You’ll want to inspect the wiring harness and connectors, check for damaged components, and look for broken, bent, pushed out, or corroded connectors’ pins. 
Depending on the cause of the engine code, there are a number of
car repairs
you may need to do including:
  • Wiring harness repair
  • Electrical connection fixed
  • Intake manifold runner unclogged or replaced
  • Intake manifold runner control flap replaced
If you are not sure what is causing the P2006 engine code, take your car to a mechanic for a diagnostic inspection and car repairs. 
MORE: How to decide if you should take your car to a repair shop or a mobile mechanic

Replacing the intake manifold runner control 

If you decide to replace the intake manifold runner at home, you’ll need to follow these steps:
  • Locate the intake manifold runner control in your engine. You might have to remove a few plastic covers before you see it. 
  • Disconnect the intake manifold runner control. You may need to disconnect the vacuum lines and electrical connections to do this.
  • Replace the old intake manifold runner control with the new one. To do this you’ll need to unbolt the IMRC from the engine.
After you’ve properly replaced the intake manifold runner control, clear any codes on the engine computer and test drive your car to evaluate its performance.

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