PowertrainP026D

Caution

Severity: Caution - get it checked when you can

Fuel injection quantity 'A' higher than expected

16 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 16

Brand	Code	Description	System
Ashok Leyland CV	P026D	Fuel Injection Quantity. High Load Engine Performance. Control Module B. Bank 2. Mixture Too Lean Brand	Powertrain
Chrysler	P026D	fuel injection quantity higher than expected Brand	Powertrain
Daewoo	P026D	No description available	Powertrain
EOBD	P026D	Fuel injection quantity 'A' higher than expected Brand	Powertrain
GM	P026D	No description available	Powertrain
Holden	P026D	Injection Quantity Too High Brand	Powertrain
Honda	P026D	No description available	Powertrain
Isuzu	P026D	No description available	Powertrain
Land Rover	P026D	Fuel injection quantity higher than expected Brand	Powertrain
Maserati	P026D	Fuel Injection Quantity Higher Than Expected Brand	Powertrain
Opel	P026D	No description available	Powertrain
Peugeot	P026D	No description available	Powertrain
Proton	P026D	No description available	Powertrain
Saab	P026D	No description available	Powertrain
Tata	P026D	No description available	Powertrain
Toyota	P026D	Fuel injection quantity 'A' higher 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.

5Related codes

Browse Pxxx codes or P026xx codes.