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TuningBot DTC Database · v4.37.15

P1303 Land Rover - Cylinder 3 - misfire detected

Manufacturer-specific interpretation for Land Rover. All interpretations of P1303

P · PowertrainIgnitionDriveability: LimitedOBD2

What P1303 means

P1303
Cylinder 3 - misfire detected Land Rover · ignition Data confidence 62%

The control module detected crankshaft speed fluctuations consistent with combustion misfire (Cylinder 3). This is the manufacturer-specific definition used by Land Rover.

Possible causes

  • Engine mechanical fault
  • wiring
  • ignition/fuel system
  • injector
  • ECT/MAF sensor
  • ECM

Related and nearby codes

How to read P1303

P

Powertrain: engine, transmission and driveline systems.

1

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

303

Specific fault index within the subsystem.

Frequently asked questions about P1303

What does P1303 mean?

Cylinder 3 - misfire detected. The control module detected crankshaft speed fluctuations consistent with combustion misfire (Cylinder 3). This is the manufacturer-specific definition used by Land Rover.

Is P1303 generic or manufacturer-specific?

P1303 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 P1303 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 →

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