Hours: 07–23 daily

TuningBot DTC Database · v4.37.15

P1151 Land Rover - Heated oxygen sensor (HO2S), upstream, bank 2 - mixture too lean

Manufacturer-specific interpretation for Land Rover. All interpretations of P1151

P · PowertrainEmissionsOBD2

What P1151 means

P1151
Heated oxygen sensor (HO2S), upstream, bank 2 - mixture too lean Land Rover · emissions Data confidence 62%

The control module detected that the air-fuel mixture stayed leaner than the target despite full corrective control (Heated oxygen sensor (HO2S), upstream, bank 2 - mixture). This is the manufacturer-specific definition used by Land Rover.

Possible causes

  • Intake leak
  • fuel pressure low
  • injector(s) blocked
  • HO2S
  • ECM

Related and nearby codes

How to read P1151

P

Powertrain: engine, transmission and driveline systems.

1

Manufacturer-defined range: the meaning can differ between brands.

151

Specific fault index within the subsystem.

Frequently asked questions about P1151

What does P1151 mean?

Heated oxygen sensor (HO2S), upstream, bank 2 - mixture too lean. The control module detected that the air-fuel mixture stayed leaner than the target despite full corrective control (Heated oxygen sensor (HO2S), upstream, bank 2 - mixture). This is the manufacturer-specific definition used by Land Rover.

Is P1151 generic or manufacturer-specific?

P1151 is a manufacturer-specific code. In this database it is documented for: Land Rover. The same number can mean something different on other brands.

Can TuningBot remove P1151 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

ECU tuningStage 1 dyno results for Land Rover engines See the results →

← Search the full DTC database