PowertrainP0003

Caution

Severity: Caution - get it checked when you can

Fuel Volume Regulator A Control Circuit Low

32 brands affected · Generic SAE J2012 description.

Key terms: Oxygen sensor: measures oxygen in the exhaust gas · Mass air flow sensor: measures the air going into the engine · SAE J2012: the standard generic code list · Powertrain: engine, transmission and emissions

1What it means in plain English

This code is in the fuel and air metering range, which includes fuel-pressure and camshaft-timing faults.

2Common causes

Dirty or faulty mass air flow sensor
Vacuum or intake air leak
Weak fuel pump or clogged fuel filter
Faulty fuel injector
Faulty oxygen sensor
Wiring or connector fault

3Can I drive?

Caution · drive with care

Have it diagnosed promptly. Some codes in this range affect fuel pressure or camshaft timing; if the engine loses power, runs badly, or stalls, stop safely and get professional help.

This page gives general information. It is not professional advice. For a definite diagnosis and a repair quote, ask a qualified mechanic to inspect the car.

4Brand data 32

Brand	Code	Description	System
Ashok Leyland CV	P0003	Fuel Volume Regulator A Control Circuit Low SAE	Powertrain
BAIC Motor	P0003	Fuel Volume Regulator Control Circuit Low Brand	Powertrain
Mercedes-Benz	P0003	Frequency Brand	Powertrain
BYD	P0003	Fuel Volume Regulator Control Circuit Low Brand	Powertrain
Chery	P0003	Fuel Volume Regulator Control Circuit Low Brand	Powertrain
Daewoo	P0003	Fuel Volume Regulator Control Circuit Low Brand	Powertrain
DFFS	P0003	Sensor power fault Brand	Powertrain
DFFX	P0003	Fuel Volume Regulator Control Circuit Low Brand	Powertrain
DFXK	P0003	Fuel Volume Regulator Control Circuit Low Brand	Powertrain
EOBD	P0003	Bränslevolymregulator 'A' styrkrets låg Brand	Powertrain
Geely	P0003	Control Unit Brand	Powertrain
GM	P0003	Fuel Volume Regulator Control Circuit Low Brand	Powertrain
Great Wall	P0003	Fuel Volume Regulator Control Circuit Low Brand	Powertrain
Hafei	P0003	Fuel Volume Regulator Control Circuit Low Brand	Powertrain
Holden	P0003	Fuel Volume Flow Regulator Control Circuit Low Voltage Brand	Powertrain
Honda	P0003	Fuel Volume Regulator A Control Circuit Low SAE	Powertrain
Hyundai	P0003	Fuel Volume Regulator A Control Circuit Low SAE	Powertrain
Isuzu	P0003	Fuel Volume Regulator A Control Circuit Low SAE	Powertrain
Land Rover	P0003	Fuel Volume Regulator A Control Circuit Low SAE	Powertrain
Mahindra	P0003	Fuel Volume Regulator A Control Circuit Low SAE	Powertrain
Maserati	P0003	Fuel quantity regulator 1 control circuit low Brand	Powertrain
Mitsubishi	P0003	Suction control valve low Brand	Powertrain
Opel	P0003	Fuel Volume Regulator Control Circuit Low Brand	Powertrain
Peugeot	P0003	Fuel Volume Regulator A Control Circuit Low SAE	Powertrain
Proton	P0003	Suction control valve low Brand	Powertrain
Saab	P0003	Fuel Volume Regulator Control Circuit Low Brand	Powertrain
MG (SAIC)	P0003	Fuel Volume Regulator Control Circuit Low Brand	Powertrain
Smart	P0003	Fuel Volume Regulator A Control Circuit Low SAE	Powertrain
Sprinter	P0003	Frequency Brand	Powertrain
Suzuki	P0003	Fuel Volume Regulator Control Circuit Low Brand	Powertrain
Tata	P0003	Fuel Volume Regulator Control Circuit Low Brand	Powertrain
Toyota	P0003	Sensor power fault Brand	Powertrain

Legend: SAE is the generic J2012 description; Brand is text taken from that manufacturer’s data. Manufacturer rows keep the wording and language of the source data, and non-English text is tagged so screen readers pronounce it correctly.

5Extended variant codes 2

These 7-character codes are manufacturer-specific variants of P0003 and may be reported by some scan tools.

Brand	Code	Description	System
Mercedes-Benz	P000300	Das Mengenregelventil hat Kurzschluss nach Masse. Brand	Powertrain
SsangYong	P000300	IMV short circuit to ground Brand	Powertrain

6Related codes

Browse Pxxx codes or P000xx codes.