P2667 moderate

Cylinder 8 Deactivation Solenoid Control Circuit Open

The P2667 code means the vehicle's onboard diagnostic system has detected: Cylinder 8 Deactivation Solenoid Control Circuit Open. This is a moderate severity code.

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Keep driving?
Short distances only
DIY difficulty
hard
Estimated cost
$300 - $2500 (parts and labor)
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Common Symptoms

  • Check Engine Light on
  • Cylinder deactivation completely disabled
  • Fuel economy penalty on highway driving
  • Engine may tick or knock intermittently
  • Rough idle in some conditions

Probable Causes (Ranked by Likelihood)

  • Broken wire to cylinder 8 deactivation solenoid Very High
  • Failed solenoid coil High
  • Oil pressure too low for proper solenoid operation Moderate
  • PCM output circuit failure Low

Step-by-Step Diagnostic Procedure

  1. Read freeze frame data and confirm P2667 is stored

  2. Measure solenoid resistance

  3. Check oil pressure and oil level

  4. Command solenoid with scan tool and monitor response

Frequently Asked Questions

What does P2667 mean?

P2667 indicates a problem with the cylinder 8 deactivation solenoid control circuit open. This affects the vehicle's ability to deactivate cylinders for improved fuel economy.

Can I drive with a P2667 code?

You can drive short distances. The cylinder deactivation system will be disabled, reducing fuel economy. Have it checked to prevent potential lifter damage.

How much does it cost to fix P2667?

Repairs typically cost $300 - $2500. Simple solenoid replacement is less expensive, but collapsed lifter repair can be $2,000 or more.

Sources

This page is built from documented references. Verify against your own service info before repair work.

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