Fuel / Air MeteringModerate ImpactPetrol

P0133 — Diagnostic Trouble Code P0133

OBD-II diagnostic code P0133 relates to the fuel / air metering system. This code is logged when the ECU detects a parameter outside its expected operating range.

7+

Affected Brands

10+

ECU Platforms

2

Related Services

6

Related DTCs

Symptoms

What the driver typically experiences when P0133 is stored

!Check Engine Light
iRough running or hesitation
iAltered fuel mixture

Why does P0133 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 P0133

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 P0133

Catalyst OffDTC Off

Related Diagnostic Codes

Codes from the same diagnostic system as P0133

P0134Moderate Impact

Diagnostic Trouble Code P0134

P0153Moderate Impact

Diagnostic Trouble Code P0153

P0135Moderate Impact

O2 Sensor Heater Circuit (Bank 1 Sensor 1)

P0030Low Impact

HO2S Heater Control Circuit (Bank 1 Sensor 1)

P0131Moderate Impact

Diagnostic Trouble Code P0131

P0132Moderate Impact

Diagnostic Trouble Code P0132

Affected ECU Platforms

Bosch MEVD17.2.HSiemens/Continental SIMK43Bosch ME17.9.20Bosch MED17.7.2Bosch MED17.9.7Delphi CRD3Bosch MED17.2Siemens/Continental SIM271Siemens/Continental Simos9.1Denso SH1M

Commonly Affected Vehicles

RenaultTwingoBosch ME17.9.20
McLarenSuper SeriesBosch MED17.9.7
BMWX5Bosch MEVD17.2.H
MBSprinterDelphi CRD3
Land RoverEvoqueBosch MED17.2
SeatIbizaSiemens/Continental Simos9.1
MazdaCX-5Denso SH1M

Based on data from 7+ vehicle brands. P0133 is not limited to these models.

Frequently Asked Questions

What does P0133 mean?â–¼
OBD-II diagnostic code P0133 relates to the fuel / air metering system. This code is logged when the ECU detects a parameter outside its expected operating range.
Why does P0133 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 P0133 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 P0133?â–¼
P0133 is commonly found on Renault, McLaren, BMW, MB, Land Rover, Seat vehicles equipped with Bosch MEVD17.2.H, Siemens/Continental SIMK43, Bosch ME17.9.20, Bosch MED17.7.2 ECU platforms.
What other codes appear alongside P0133?â–¼
P0133 frequently appears together with P0134, P0153, P0135, P0030, P0131. These related codes typically originate from the same system modification and should be addressed together in the calibration.

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