Fuel / Air MeteringModerate ImpactPetrol

P0158 — Diagnostic Trouble Code P0158

OBD-II diagnostic code P0158 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

5+

ECU Platforms

1

Related Services

7

Related DTCs

Symptoms

What the driver typically experiences when P0158 is stored

!Check Engine Light
iRough running or hesitation
iAltered fuel mixture

Why does P0158 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 P0158

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 P0158

Catalyst Off

Related Diagnostic Codes

Codes from the same diagnostic system as P0158

P0138Moderate Impact

Diagnostic Trouble Code P0138

P0161Moderate Impact

Diagnostic Trouble Code P0161

P0038Moderate Impact

Diagnostic Trouble Code P0038

P0056Low Impact

HO2S Heater Control Circuit (Bank 2 Sensor 2)

P0141Low Impact

O2 Sensor Heater Circuit (Bank 1 Sensor 2)

P0156Moderate Impact

Diagnostic Trouble Code P0156

P0430Moderate Impact

Catalyst System Efficiency Below Threshold (Bank 2)

Affected ECU Platforms

Siemens/Continental GPEC2ABosch MEVD17.2.GBosch MED17.8.31Bosch MED 17.8.31Delco e82

Commonly Affected Vehicles

DodgeChargerSiemens/Continental GPEC2A
BMW3erBosch MEVD17.2.G
LandroverRange RoverBosch MED17.8.31
Land RoverRange RoverBosch MED 17.8.31
ChevroletCamaroDelco e82

Based on data from 5+ vehicle brands. P0158 is not limited to these models.

Frequently Asked Questions

What does P0158 mean?â–¼
OBD-II diagnostic code P0158 relates to the fuel / air metering system. This code is logged when the ECU detects a parameter outside its expected operating range.
Why does P0158 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 P0158 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 P0158?â–¼
P0158 is commonly found on Dodge, BMW, Landrover, Land Rover, Chevrolet vehicles equipped with Siemens/Continental GPEC2A, Bosch MEVD17.2.G, Bosch MED17.8.31, Bosch MED 17.8.31 ECU platforms.
What other codes appear alongside P0158?â–¼
P0158 frequently appears together with P0138, P0161, P0038, P0056, P0141. These related codes typically originate from the same system modification and should be addressed together in the calibration.

Ready to Get Started?

Create your free account and access our full vehicle database and tuning services.

Create Free Account