PowertrainP013A

Caution

Severity: Caution - get it checked when you can

O2 Sensor Slow Response - Rich to Lean (Bank 1 Sensor 2)

30 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 · Bank 1: the side of the engine containing cylinder 1 · SAE J2012: the standard generic code list · 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 30

Brand	Code	Description	System
Ashok Leyland CV	P013A	O2 Sensor Slow Response - Rich to Lean (Bank 1 Sensor 2) SAE	Powertrain
BAIC Motor	P013A	Downstream oxygen sensor response implausible Brand	Powertrain
BYD	P013A	O2 Sensor Slow Response - Rich to Lean Bank 1 Sensor 2 Brand	Powertrain
Chery	P013A	Oxygen sensor Slow Response - Rich to Lean Bank 1 Sensor 2 Brand	Powertrain
Chrysler	P013A	O2 Sensor Slow Response - Rich to Lean Bank 1 Sensor 2 Brand	Powertrain
Daewoo	P013A	O2 Sensor Circuit Rich/Lean Slow Response Brand	Powertrain
DFFS	P013A	O2 Sensor Slow Response - Rich to Lean Bank 1 Sensor 2 Brand	Powertrain
DFFX	P013A	O2 Sensor Slow Response - Rich to Lean Bank 1 Sensor 2 Brand	Powertrain
DFXK	P013A	Downstream oxygen sensor response slow Brand	Powertrain
EOBD	P013A	O2-sensor trage respons - rijk naar arm bank 1 sensor 2 Brand	Powertrain
Geely	P013A	O2 Sensor Slow Response - Rich to Lean Bank 1 Sensor 2 Brand	Powertrain
GM	P013A	O2 Sensor Slow Response - Rich to Lean Bank 1 Sensor 2 Brand	Powertrain
Great Wall	P013A	O2 Sensor Slow Response - Rich to Lean Bank 1 Sensor 2 Brand	Powertrain
Hafei	P013A	O2 Sensor Slow Response - Rich to Lean Bank 1 Sensor 2 Brand	Powertrain
Holden	P013A	HO2S Slow Response Rich to Lean Sensor 2 Brand	Powertrain
Honda	P013A	O2 Sensor Slow Response - Rich to Lean (Bank 1 Sensor 2) SAE	Powertrain
Hyundai	P013A	O2 Sensor Slow Response - Rich to Lean (Bank 1 Sensor 2) SAE	Powertrain
Isuzu	P013A	O2 Sensor Slow Response - Rich to Lean (Bank 1 Sensor 2) SAE	Powertrain
Land Rover	P013A	O2 Sensor Slow Response - Rich to Lean (Bank 1 Sensor 2) SAE	Powertrain
Maserati	P013A	Oxygen sensor slow response - rich to lean (bank 1 sensor 2) Brand	Powertrain
Opel	P013A	O2 Sensor Slow Response - Rich to Lean Bank 1 Sensor 2 Brand	Powertrain
Peugeot	P013A	O2 Sensor Slow Response - Rich to Lean (Bank 1 Sensor 2) SAE	Powertrain
Porsche	P013A	O2 Sensor Slow Response - Rich to Lean (Bank 1 Sensor 2) SAE	Powertrain
Saab	P013A	O2 Sensor Slow Response - Rich to Lean Bank 1 Sensor 2 Brand	Powertrain
MG (SAIC)	P013A	O2 Sensor Slow Response - Rich to Lean Bank 1 Sensor 2 Brand	Powertrain
Subaru	P013A	O2 Sensor Slow Response - Rich to Lean (Bank 1 Sensor 2) SAE	Powertrain
Suzuki	P013A	O2 Sensor Slow Response - Rich to Lean (Bank 1 Sensor 2) Brand	Powertrain
Tata	P013A	O2 Sensor Slow Response - Rich to Lean (Bank 1 Sensor 2) SAE	Powertrain
Toyota	P013A	O2 Sensor Slow Response - Rich to Lean Bank 1 Sensor 2 Brand	Powertrain
Volkswagen	P013A	Oxygen (Lambda) sensor B1 S2: response too slow rich to Lean; Cannot be tested at this time 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 3

These 7-character codes are manufacturer-specific variants of P013A and may be reported by some scan tools.

Brand	Code	Description	System
Mercedes-Benz	P013A00	Die Fett- und Magerumschaltung der Lambdasonde 2 (Zylinderreihe 1) ist zu langsam. Brand	Powertrain
Porsche	P013A00	No description available	Powertrain
SsangYong	P013A00	Rear O2 Sensor Slow Response - Rich to Lean Brand	Powertrain

6Related codes

Browse Pxxx codes or P013xx codes.