Fuel / Air MeteringModerate ImpactPetrol

P0134 — Diagnostic Trouble Code P0134

OBD-II diagnostic code P0134 relates to the fuel / air metering system. This code is logged when the ECU detects a parameter outside its expected operating range.

4+

Affected Brands

10+

ECU Platforms

2

Related Services

6

Related DTCs

Symptoms

What the driver typically experiences when P0134 is stored

!Check Engine Light
iRough running or hesitation
iAltered fuel mixture

Why does P0134 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 P0134

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 P0134

Catalyst OffDTC Off

Related Diagnostic Codes

Codes from the same diagnostic system as P0134

P0132Moderate Impact

Diagnostic Trouble Code P0132

P0135Moderate Impact

O2 Sensor Heater Circuit (Bank 1 Sensor 1)

P0030Low Impact

HO2S Heater Control Circuit (Bank 1 Sensor 1)

P0133Moderate Impact

Diagnostic Trouble Code P0133

P0131Moderate Impact

Diagnostic Trouble Code P0131

P0130Moderate Impact

Diagnostic Trouble Code P0130

Affected ECU Platforms

Delco E78Bosch ME7.8Bosch ME17.9.64Denso SH7058Bosch MED17.8.31 MED17.5.4 MED17.8.3Siemens/Continental Simos9.1Denso HPDELCO DELCO E83BOSCH ME7.6.2Keihin SH7058

Commonly Affected Vehicles

SuzukiJimnyBosch ME17.9.64
SuzukiSwiftDenso SH7058
Land RoverDiscoveryBosch MED17.8.31 MED17.5.4 MED17.8.3
SeatIbizaSiemens/Continental Simos9.1
NissanCabstar / NT400Denso HP

Based on data from 4+ vehicle brands. P0134 is not limited to these models.

Frequently Asked Questions

What does P0134 mean?â–¼
OBD-II diagnostic code P0134 relates to the fuel / air metering system. This code is logged when the ECU detects a parameter outside its expected operating range.
Why does P0134 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 P0134 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 P0134?â–¼
P0134 is commonly found on Suzuki, Land Rover, Seat, Nissan vehicles equipped with Delco E78, Bosch ME7.8, Bosch ME17.9.64, Denso SH7058 ECU platforms.
What other codes appear alongside P0134?â–¼
P0134 frequently appears together with P0132, P0135, P0030, P0133, P0131. These related codes typically originate from the same system modification and should be addressed together in the calibration.

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