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TuningBot DTC Database · v4.37.15

P0497 Evaporative Emission System Low Purge Flow

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

P · PowertrainEmissionsOBD2

What P0497 means

P0497
Evaporative Emission System Low Purge Flow Generic · emissions Data confidence 90%

The control module detected a fault associated with the Evaporative Emission System Low Purge Flow circuit or function; the stored code identifies the affected component rather than a single failure mode.

Symptoms

  • MIL illuminated
  • Possible fuel smell in case of larger leaks

Possible causes

  • Wiring
  • EVAP valve
  • hoses blocked
  • mechanical fault

Recommended checks

  • Check fuel filler cap seating first
  • Read fuel tank pressure sensor values
  • Actuate purge and vent valves and verify response
  • Smoke-test the EVAP system for leaks

Related and nearby codes

How to read P0497

P

Powertrain: engine, transmission and driveline systems.

0

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

497

Specific fault index within the subsystem.

Frequently asked questions about P0497

What does P0497 mean?

Evaporative Emission System Low Purge Flow. The control module detected a fault associated with the Evaporative Emission System Low Purge Flow circuit or function; the stored code identifies the affected component rather than a single failure mode.

Is P0497 generic or manufacturer-specific?

P0497 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P0497 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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