PowertrainP0257

Caution

Severity: Caution - get it checked when you can

Injection Pump Fuel Metering Control B Range/Performance (Cam/Rotor/Injector)

25 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 powertrain range that covers fuel and air metering, over-temperature, overspeed and transmission over-temperature conditions.

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

Do not assume this code is safe to ignore: some codes in this range affect engine safety systems. Have it diagnosed; if the engine is overheating, a red warning light is on, or the engine loses power or cuts out, 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 25

Brand	Code	Description	System
Ashok Leyland CV	P0257	Injection Pump Fuel Metering Control B Range/Performance (Cam/Rotor/Injector) SAE	Powertrain
BAIC Motor	P0257	High-voltage battery cell voltage imbalance fault Brand	Powertrain
BMW	P0257	Injection Pump Fuel Metering Control B Range/Perf Brand	Powertrain
BYD	P0257	Injection Pump Fuel Metering Control B Range/Performance Brand	Powertrain
Chery	P0257	Injection Pump B Rotor Cam: Range Performance Brand	Powertrain
Daewoo	P0257	Injection Pump Fuel Metering Control B Range/Performance Brand	Powertrain
DFFS	P0257	Injection Pump Fuel Metering Control B Range/Performance Brand	Powertrain
DFFX	P0257	Injection Pump Fuel Metering Control B Range/Performance Brand	Powertrain
DFXK	P0257	Injection Pump B Rotor Cam: Range Performance Brand	Powertrain
EOBD	P0257	Injectiepomp brandstofdoseerregeling 'B' bereik/prestatie Brand	Powertrain
Geely	P0257	Injection Pump B Rotor Cam: Range Performance Brand	Powertrain
GM	P0257	Injection Pump Fuel Metering Control B Range/Performance Brand	Powertrain
Great Wall	P0257	Injection Pump Fuel Metering Control B Range/Performance Brand	Powertrain
Hafei	P0257	Injection Pump Fuel Metering Control B Range/Performance Brand	Powertrain
Honda	P0257	Injection Pump Fuel Metering Control B Range/Performance (Cam/Rotor/Injector) SAE	Powertrain
Hyundai	P0257	Injection Pump Fuel Metering Control B Range/Performance (Cam/Rotor/Injector) SAE	Powertrain
Isuzu	P0257	Injection Pump Fuel Metering Control B Range/Performance (Cam/Rotor/Injector) SAE	Powertrain
Land Rover	P0257	Injection pump fuel metering control B - range/performance Brand	Powertrain
Maserati	P0257	Injection Pump Fuel Metering Control Circuit Performance Brand	Powertrain
Peugeot	P0257	Injection Pump Fuel Metering Control B Range/Performance (Cam/Rotor/Injector) SAE	Powertrain
Saab	P0257	Injection Pump Fuel Metering Control B Range/Performance Brand	Powertrain
MG (SAIC)	P0257	Injection Pump Fuel Metering Control B Range/Performance Brand	Powertrain
Tata	P0257	Injection Pump Fuel Metering Control B Range/Performance Brand	Powertrain
Toyota	P0257	Injection Pump Fuel Metering Control B Range/Performance (Cam/Rotor/Injector) Brand	Powertrain
Volkswagen	P0257	Injection Pump B Rotor Cam: Range Performance 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.

5Related codes

Browse Pxxx codes or P025xx codes.