P0004 OBD-II: Fuel Volume Regulator Control Circuit High

P0004 Severity

Urgent

Should you fix P0004 yourself?

Identifying an OBD code is just the start of a complete diagnostic routine. Most trouble codes are caused by a sensor reporting a value that is out of range. Just replacing a sensor may not fix underlying issues. Be sure to understand the code, the part or system in your car that the code refers to, and the risks of delaying professional repair.

Proper diagnosis will save you time and money on unnecessary repairs.

Urgent codes indicate immediate action is necessary. These are urgent and significant malfunctions that can cause severe damage to the vehicle or harm the driver and passengers.

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P0004 Summary Find a Repair Shop P0004 Details Ask RepairPal CarGenius Other OBD-II Codes

What causes OBD-II fault code P0004?

The Fuel Volume Regulator allows the fuel system to release excessive fuel from the engine back to the fuel tank. When the engine control module (PCM) determines that the Fuel Volume Regulator is not sending back the proper voltage signal, the PCM will set code P0004.

What Does P0004 Code Mean?

OBD-II Code P0004 is defined as a Fuel Volume Regulator Control Circuit High

P0004 Symptoms

Decreased engine performance
Engine may stall
Increased fuel consumption

Common Problems That Trigger the P0004 Code

Fuel volume regulator failure
Powertrain Control Module (PCM) failure
Wiring issue

Common Repairs Needed for the P0004 Code

Fuel Pump Replacement

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Other OBD-II Codes

P0003: Fuel Volume Regulator Control Circuit Low P0002: Fuel Volume Regulator Control Circuit Range/Performance P0001: Fuel Volume Regulator Control Circuit/Open P0005: Fuel Shutoff Valve "A" Control Circuit/Open P0006: Fuel Shutoff Valve "A" Control Circuit Low P0007: Fuel Shutoff Valve "A" Control Circuit High P0008: Engine Position System Performance P0009: Engine Position System Performance P000A: "A" Camshaft Position Slow Response P000B: "B" Camshaft Position Slow Response P000C: "A" Camshaft Position Slow Response P000D: "B" Camshaft Position Slow Response P000E: Fuel Volume Regulator Control Exceeded Learning Limit P000F: Fuel System Over Pressure Relief Valve Activated P0010: "A" Camshaft Position Actuator Circuit/Open P0011: "A" Camshaft Position - Timing Over-Advanced or System P0012: "A" Camshaft Position - Timing Over-Retarded P0013: "B" Camshaft Position - Actuator Circuit/Open P0014: "B" Camshaft Position - Timing Over-Advanced or System P0015: "B" Camshaft Position - Timing Over-Retarded P0016: Crankshaft Position - Camshaft Position Correlation P0017: Crankshaft Position - Camshaft Position Correlation P0018: Crankshaft Position - Camshaft Position Correlation P0019: Crankshaft Position - Camshaft Position Correlation

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