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TuningBot DTC Database · v4.37.14

P227F Air Flow Restriction/Air Leak Between Air Filter and MAF Bank 2

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

P · PowertrainEngineOBD2

What P227F means

P227F
Air Flow Restriction/Air Leak Between Air Filter and MAF Bank 2 Generic · engine Data confidence 65%

The control module detected a condition consistent with a leak affecting the Air Flow Restriction/Air.

Symptoms

  • MIL illuminated
  • Possible hesitation or poor throttle response
  • Possible incorrect fuel trim values

Possible causes

  • Contaminated or failing MAF sensor element
  • Air leak between MAF sensor and throttle
  • Wiring or connector fault
  • Restricted air filter

Recommended checks

  • Compare measured air mass with expected values at idle and load
  • Inspect intake ducting for leaks after the sensor
  • Inspect wiring and connectors
  • Check fuel trim values for confirmation

Related and nearby codes

How to read P227F

P

Powertrain: engine, transmission and driveline systems.

2

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

27F

Specific fault index within the subsystem.

Frequently asked questions about P227F

What does P227F mean?

Air Flow Restriction/Air Leak Between Air Filter and MAF Bank 2. The control module detected a condition consistent with a leak affecting the Air Flow Restriction/Air.

Is P227F generic or manufacturer-specific?

P227F is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P227F at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry and, where the ECU needs it, corrects the checksum too. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

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