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TuningBot DTC Database · v4.37.15

P01E2 Cylinder 12 Injection Timing Performance - Over Advanced

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainFuelOBD2

What P01E2 means

P01E2
Cylinder 12 Injection Timing Performance - Over Advanced Generic · fuel Data confidence 65%

The control module detected a fault associated with the Cylinder 12 Injection Timing Performance - Over Advanced circuit or function; the stored code identifies the affected component rather than a single failure mode.

Symptoms

  • MIL illuminated
  • Possible rough running or misfire
  • Possible increased fuel consumption

Possible causes

  • Injector electrical or mechanical fault
  • Wiring or connector fault
  • Fuel supply fault
  • Air leak causing mixture deviation

Recommended checks

  • Read fuel trim / mixture adaptation values
  • Check injector circuits and compare cylinder balance
  • Check fuel pressure
  • Inspect for intake or exhaust leaks

Related and nearby codes

How to read P01E2

P

Powertrain: engine, transmission and driveline systems.

0

Generic SAE-standard code: same meaning on every make.

1E2

Specific fault index within the subsystem.

Frequently asked questions about P01E2

What does P01E2 mean?

Cylinder 12 Injection Timing Performance - Over Advanced. The control module detected a fault associated with the Cylinder 12 Injection Timing Performance - Over Advanced circuit or function; the stored code identifies the affected component rather than a single failure mode.

Is P01E2 generic or manufacturer-specific?

P01E2 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P01E2 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 tuningDyno-tested results by model and engine See the results →

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