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P0004 P0004 OBD-II: Fuel Volume Regulator Control Circuit High

P0004 Severity Moderate

What P0004 means for you

This code indicates a malfunction in the fuel volume regulator circuit, which can impact engine performance.

Symptoms

  • Reduced engine efficiency
  • Potential engine stalling
  • Higher fuel usage

Common causes

  • The Fuel Volume Regulator is responsible for managing fuel flow back to the tank. If the engine control module (PCM) detects an incorrect voltage signal from this regulator, it triggers code P0004.

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What this code means

Code P0004 signifies an issue with the Fuel Volume Regulator Control Circuit, indicating that the regulator is not functioning correctly, which can lead to various performance issues.

Frequently asked questions

01 Can I keep driving with a P0004?

It is not advisable to continue driving with code P0004, as it can lead to decreased engine performance and potential stalling.

02 How much does it cost to fix P0004?

Repair costs for code P0004 can vary, but expect to pay for diagnostic time and potential replacement of the Fuel Volume Regulator, which may range from $100 to $300.

03 What are the symptoms of a P0004 code?

Symptoms of a P0004 code include reduced engine efficiency, possible engine stalling, and increased fuel consumption.