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TuningBot DTC Database · v4.37.15

P22F2 Cylinder 7 Alternative Fuel Injector Control Circuit Low

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

P · PowertrainFuelOBD2

What P22F2 means

P22F2
Cylinder 7 Alternative Fuel Injector Control Circuit Low Generic · fuel Data confidence 65%

The control module detected that the signal in the Cylinder 7 Alternative Fuel Injector Control circuit stayed below the expected operating range.

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 P22F2

P

Powertrain: engine, transmission and driveline systems.

2

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

2F2

Specific fault index within the subsystem.

Frequently asked questions about P22F2

What does P22F2 mean?

Cylinder 7 Alternative Fuel Injector Control Circuit Low. The control module detected that the signal in the Cylinder 7 Alternative Fuel Injector Control circuit stayed below the expected operating range.

Is P22F2 generic or manufacturer-specific?

P22F2 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P22F2 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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