PowertrainP026C

Caution

Severity: Caution - get it checked when you can

Fuel injection quantity 'A' lower than expected

15 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 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 15

Brand	Code	Description	System
Ashok Leyland CV	P026C	Fuel Pressure Control. Relief Valve. Operation Failure. Stuck Off Brand	Powertrain
Chrysler	P026C	fuel injection quantity lower than expected Brand	Powertrain
Daewoo	P026C	No description available	Powertrain
EOBD	P026C	Fuel injection quantity 'A' lower than expected Brand	Powertrain
GM	P026C	No description available	Powertrain
Great Wall	P026C	Firing order cylinder 3 lack of injector quantity adjustment (IQA) code Brand	Powertrain
Holden	P026C	Injection Quantity Too Low Brand	Powertrain
Honda	P026C	No description available	Powertrain
Isuzu	P026C	No description available	Powertrain
Land Rover	P026C	Fuel injection quantity lower than expected Brand	Powertrain
Maserati	P026C	Fuel Injection Quantity Lower Than Expected Brand	Powertrain
Opel	P026C	No description available	Powertrain
Peugeot	P026C	No description available	Powertrain
Saab	P026C	No description available	Powertrain
Toyota	P026C	Fuel injection quantity 'A' lower than expected 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 1

These 7-character codes are manufacturer-specific variants of P026C and may be reported by some scan tools.

Brand	Code	Description	System
SsangYong	P026C00	Fuel injection amount low Brand	Powertrain

6Related codes

Browse Pxxx codes or P026xx codes.