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P2005 OBD2: Intake Manifold Runner Control Stuck Open

P2005 OBD2: Intake Manifold Runner Control Stuck Open

The P2005 OBD-II code indicates an issue with the intake manifold runner control, specifically that it is stuck open. This can affect engine performance and efficiency.

What Does the P2005 Code Mean?

The P2005 code is triggered when the Powertrain Control Module (PCM) detects that the intake manifold runner control is not operating as it should. It signifies that the runner control mechanism is stuck in the open position, which can lead to improper air-fuel mixture and reduced engine performance.

What Causes the P2005 Code?

Several factors can lead to the P2005 code being triggered, including:

  • Intake manifold runner control actuator failure
  • Powertrain Control Module (PCM) failure
  • Restricted vacuum lines

What Are the Symptoms of the P2005 Code?

Common symptoms associated with the P2005 code may include:

  • Reduced engine performance
  • Decreased fuel efficiency
  • Engine hesitation or stalling
  • Check Engine Light illuminated

How Serious Is the P2005 Code?

While the P2005 code is classified as moderate in severity and may not pose an immediate threat to the vehicle’s safety or functionality, it is still important to address it in a timely manner. Ignoring the issue could lead to more serious problems down the line.

How to Diagnose the P2005 Code

To properly diagnose the P2005 code, a mechanic will typically perform the following steps:

  • Use an OBD-II scanner to confirm the presence of the P2005 code.
  • Inspect the intake manifold runner control actuator for proper operation.
  • Check vacuum lines for restrictions or leaks.
  • Examine the Powertrain Control Module (PCM) for any faults.

Common Repairs for the P2005 Code

Repairs for the P2005 code may include:

  • Replacing the intake manifold runner control actuator.
  • Repairing or replacing damaged vacuum lines.
  • Reprogramming or replacing the Powertrain Control Module (PCM).

How Much Does It Cost to Fix the P2005 Code?

The cost to fix the P2005 code can vary widely depending on the specific issue and the make and model of the vehicle. Typically, repairs may range from $100 to $800, particularly if a PCM replacement is necessary.

Can I Fix the P2005 Code Myself?

While some basic troubleshooting and repairs can be performed by a knowledgeable DIYer, it is recommended to consult a professional mechanic for a proper diagnosis and repair of the P2005 code, especially if it involves the PCM or complex components.

About JC Landry

JC is the Senior Editor at eManualOnline.com, GarageSpot.com, and Drive-My.com, as well as the Webmaster of TheMechanicDoctor.com, only to name a few. He's been a certified Master Mechanic for 15 years, working for various car dealers and specialized repair shops before turning towards blogging about cars and EVs in the hope of helping the next generation of automotive technicians. He also loves cats, Johnny Cash and Subarus.

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