Skip to main content
Diagnose/P0029
P0029Medium SeverityEngine

Exhaust Valve Control Solenoid Circuit Range/Performance (Bank 2)

What This Means

The exhaust valve control solenoid on bank 2 is operating outside its expected range. This solenoid controls exhaust valve lift on the bank opposite cylinder 1.

Common Symptoms

  • Rough idle
  • Power loss
  • Higher emissions
  • Check engine light on

Common Causes

  • Failed exhaust valve solenoid
  • Dirty oil
  • Wiring damage
  • Oil flow restriction
  • Mechanical issue

Estimated Repair Cost

$150 – $700
Parts and labor (varies by vehicle and location)
Difficulty:Moderate

Need This Fixed?

Find certified mechanics near you who can diagnose and repair P0029.

Find a Shop Near You
Search Another Code

For informational purposes only. Diagnostic trouble codes are starting points for diagnosis, not definitive answers. Always consult a certified mechanic for proper diagnosis and repair. Estimated costs vary by vehicle, location, and shop rates.