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TuningBot DTC Database · v4.37.15

P2194 System too rich at higher load, bank 2

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

P · PowertrainFuelOBD2

What P2194 means

P2194
System too rich at higher load, bank 2 Generic · fuel Data confidence 85%

The control module detected that the air-fuel mixture stayed richer than the target despite full corrective control (System).

Symptoms

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

Possible causes

  • Fuel pressure
  • injectors
  • air intake restricted

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 P2194

P

Powertrain: engine, transmission and driveline systems.

2

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

194

Specific fault index within the subsystem.

Frequently asked questions about P2194

What does P2194 mean?

System too rich at higher load, bank 2. The control module detected that the air-fuel mixture stayed richer than the target despite full corrective control (System).

Is P2194 generic or manufacturer-specific?

P2194 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2194 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

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