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TuningBot DTC Database · v4.37.15

P3190 Decreased engine performance

1 manufacturer-specific interpretation across 1 manufacturer in the TuningBot DTC database.

P · PowertrainEngineOBD2
Brand pages:Lexus

Lexus

1 interpretation
P3190
Decreased engine performance Lexus · engine Data confidence 62%

The control module judged the Decreased engine behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Lexus.

Possible causes

  • Air induction system
  • fuel pressure/level
  • mechanical fault
  • engine coolant temperature (ECT) sensor
  • camshaft/ crankshaft (CMP/CKP) sensor
  • variable valve timing intake/exhaust sensor

Related and nearby codes

How to read P3190

P

Powertrain: engine, transmission and driveline systems.

3

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

190

Specific fault index within the subsystem.

Frequently asked questions about P3190

What does P3190 mean?

Decreased engine performance. The control module judged the Decreased engine behaviour implausible for the current operating conditions. This is the manufacturer-specific definition used by Lexus.

Is P3190 generic or manufacturer-specific?

P3190 is a manufacturer-specific code. In this database it is documented for: Lexus. The same number can mean something different on other brands.

Can TuningBot remove P3190 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 Toyota engines See the results →

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