PowertrainP008B

Caution

Severity: Caution - get it checked when you can

Low pressure fuel system pressure - too high

27 brands affected · Description from Toyota data.

Key terms: Oxygen sensor: measures oxygen in the exhaust gas · Mass air flow sensor: measures the air going into the engine · 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 27

Brand	Code	Description	System
Ashok Leyland CV	P008B	No description available	Powertrain
BAIC Motor	P008B	Low Pressure Fuel System Pressure - Too High Brand	Powertrain
Mercedes-Benz	P008B	No description available	Powertrain
BYD	P008B	Low Pressure Fuel System Pressure - Too High Brand	Powertrain
Chery	P008B	Low Pressure Fuel System Pressure - Too High Brand	Powertrain
Daewoo	P008B	No description available	Powertrain
DFFS	P008B	Low Pressure Fuel System Pressure - Too High Brand	Powertrain
DFFX	P008B	Low Pressure Fuel System Pressure - Too High Brand	Powertrain
DFXK	P008B	Low Pressure Fuel System Pressure - Too High Brand	Powertrain
EOBD	P008B	Druk lagedruk-brandstofsysteem - te hoog Brand	Powertrain
Geely	P008B	Low Pressure Fuel System Pressure - Too High Brand	Powertrain
GM	P008B	Low Pressure Fuel System Pressure - Too High Brand	Powertrain
Great Wall	P008B	Low Pressure Fuel System Pressure - Too High Brand	Powertrain
Hafei	P008B	Low Pressure Fuel System Pressure - Too High Brand	Powertrain
Holden	P008B	No description available	Powertrain
Honda	P008B	No description available	Powertrain
Hyundai	P008B	No description available	Powertrain
Land Rover	P008B	No description available	Powertrain
Mitsubishi	P008B	No description available	Powertrain
Opel	P008B	Low Pressure Fuel System Pressure - Too High Brand	Powertrain
Peugeot	P008B	No description available	Powertrain
Porsche	P008B	No description available	Powertrain
Saab	P008B	Low Pressure Fuel System Pressure - Too High Brand	Powertrain
MG (SAIC)	P008B	Low Pressure Fuel System Pressure - Too High Brand	Powertrain
Suzuki	P008B	No description available	Powertrain
Toyota	P008B	Low pressure fuel system pressure - too high Brand	Powertrain
Volkswagen	P008B	Low pressure fuel system: pressure too high; Short to ground 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 P008B and may be reported by some scan tools.

Brand	Code	Description	System
Hyundai	P008B00	If low fuel pressure sensor signal voltage is higher than 3.7V or lower than 4.75V, ECM sets DTC Brand	Powertrain
Porsche	P008B00	No description available	Powertrain

6Related codes

Browse Pxxx codes or P008xx codes.