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P0029 P0029 OBD-II: Exhaust Valve Control Solenoid Circuit Range/Performance

P0029 Severity Moderate

What P0029 means for you

This code indicates a moderate issue with the exhaust valve control system that can affect engine performance.

Symptoms

  • Reduced engine power
  • Higher fuel consumption

Common causes

  • The Exhaust Valve Control Solenoid regulates the exhaust valve position using oil pressure and electrical signals. Vehicles with variable valve timing (VVT) utilize this system to optimize fuel efficiency while meeting driver performance demands. If the Powertrain Control Module (PCM) detects a problem with the Exhaust Control Solenoid's signal, it triggers the P0029 code.

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What this code means

The P0029 code signifies a problem with the Exhaust Valve Control Solenoid's circuit performance or range. This solenoid is crucial in managing the exhaust valve's operation, which is vital for maintaining efficient engine performance and fuel economy.

Frequently asked questions

01 Can I keep driving with a P0029 code?

It is not advisable to continue driving with a P0029 code, as it can lead to further engine performance issues.

02 How much does it cost to fix a P0029 code?

Repair costs for a P0029 code can vary, but expect to pay for diagnostics and potential solenoid replacement, typically ranging from $100 to $400.

03 What are the symptoms of a P0029 code?

Symptoms of a P0029 code include reduced engine power and increased fuel consumption.