Fuel / Air MeteringModerate ImpactPetrol

P0131 — Diagnostic Trouble Code P0131

OBD-II diagnostic code P0131 relates to the fuel / air metering system. This code is logged when the ECU detects a parameter outside its expected operating range.

5+

Affected Brands

10+

ECU Platforms

1

Related Services

6

Related DTCs

Symptoms

What the driver typically experiences when P0131 is stored

!Check Engine Light
iRough running or hesitation
iAltered fuel mixture

Why does P0131 appear after tuning?

This code may appear after ECU modifications when the affected system monitoring has not been fully recalibrated for the new operating parameters.

How proper calibration can address P0131

WEREMAP professional calibrations include comprehensive diagnostic management for all affected systems, preventing unnecessary fault codes while maintaining safe operation.

Related Tuning Services

Relevant services for the system behind P0131

Catalyst Off

Related Diagnostic Codes

Codes from the same diagnostic system as P0131

P0134Moderate Impact

Diagnostic Trouble Code P0134

P0132Moderate Impact

Diagnostic Trouble Code P0132

P0133Moderate Impact

Diagnostic Trouble Code P0133

P0135Moderate Impact

O2 Sensor Heater Circuit (Bank 1 Sensor 1)

P0130Moderate Impact

Diagnostic Trouble Code P0130

P0030Low Impact

HO2S Heater Control Circuit (Bank 1 Sensor 1)

Affected ECU Platforms

Bosch ME7.5Siemens/Continental simos18.1Bosch ME7.6.3Siemens/Continental PPD1.2Siemens/Continental MSD81.2Siemens/Continental PPDDenso SH7058 MB279700MITSUBISHI 8405F L3R518Denso 2006Bosch ME9.6

Commonly Affected Vehicles

VWGolfSiemens/Continental simos18.1
OpelCorsaBosch ME7.6.3
SeatLeonSiemens/Continental PPD1.2
BMW1 SerieSiemens/Continental MSD81.2
Land RoverRange RoverDenso SH7058 MB279700

Based on data from 5+ vehicle brands. P0131 is not limited to these models.

Frequently Asked Questions

What does P0131 mean?â–¼
OBD-II diagnostic code P0131 relates to the fuel / air metering system. This code is logged when the ECU detects a parameter outside its expected operating range.
Why does P0131 appear after ECU tuning?â–¼
This code may appear after ECU modifications when the affected system monitoring has not been fully recalibrated for the new operating parameters.
How do you prevent P0131 during remapping?â–¼
WEREMAP professional calibrations include comprehensive diagnostic management for all affected systems, preventing unnecessary fault codes while maintaining safe operation.
Which vehicles are affected by P0131?â–¼
P0131 is commonly found on VW, Opel, Seat, BMW, Land Rover vehicles equipped with Bosch ME7.5, Siemens/Continental simos18.1, Bosch ME7.6.3, Siemens/Continental PPD1.2 ECU platforms.
What other codes appear alongside P0131?â–¼
P0131 frequently appears together with P0134, P0132, P0133, P0135, P0130. These related codes typically originate from the same system modification and should be addressed together in the calibration.

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