PowertrainP01BF

Caution

Severity: Caution - get it checked when you can

Fuel rail pressure sensor circuit range/performance bank 2

13 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 · Bank 2: the side of the engine containing cylinder 2 · Powertrain: engine, transmission and emissions

1What it means in plain English

This code is in the fuel, air and oxygen sensor range, which also includes coolant temperature 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 if the engine runs badly or the code keeps returning. Because this range includes coolant temperature sensors, watch the temperature gauge: if it climbs into the red, or the engine overheats 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 13

Brand	Code	Description	System
Ashok Leyland CV	P01BF	Cruise Control On Signal Malfunction Brand	Powertrain
Chery	P01BF	Battery Measurement Unit (BMU) 3 fault Brand	Powertrain
Daewoo	P01BF	No description available	Powertrain
EOBD	P01BF	Drivstoffskinnetrykkfølerkrets område/ytelse bank 2 Brand	Powertrain
GM	P01BF	No description available	Powertrain
Holden	P01BF	No description available	Powertrain
Honda	P01BF	No description available	Powertrain
Isuzu	P01BF	No description available	Powertrain
Land Rover	P01BF	Fuel Rail Pressure Sensor Circuit Range/Performance Bank 2 Brand	Powertrain
Opel	P01BF	No description available	Powertrain
Peugeot	P01BF	No description available	Powertrain
Saab	P01BF	No description available	Powertrain
Toyota	P01BF	Fuel rail pressure sensor circuit range/performance bank 2 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 P01BF and may be reported by some scan tools.

Brand	Code	Description	System
Mercedes-Benz	P01BF00	Rail pressure sensor 2 has a malfunction. Brand	Powertrain
Mercedes-Benz	P01BF16	Rail pressure sensor 2 has a malfunction. The limit value for electrical voltage has not been attained. Brand	Powertrain

6Related codes

Browse Pxxx codes or P01Bxx codes.