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P0496

Overview

Code

P0496

Code Type

P

Code Class

P0

System

Engine, Emissions

Severity Level

Low

Emissions Related

true

Drivability Impact

Minor

Diagnostic Protocol

OBD2

Freeze Frame Useful

true

Code Definition

Diagnostic trouble code P0496 indicates EVAP system flow during non-purge conditions

Symptoms

Hard starting after refueling; Check Engine Light

Overview applies to this diagnostic code.

Affected Systems

On This Page

  • Code Definition

  • Symptoms

  • Affected Systems

  • Possible Causes

  • Diagnostic Steps

  • Drive Safety Notes​

More Resources

EVAP purge control logic

Possible Causes

Purge valve stuck open; EVAP line leaks

Diagnostic Steps

1 Inspect purge valve; 2 Monitor purge flow data; 3 Check EVAP lines for leaks; 4 Replace purge valve if stuck

Drive Safety Notes

Engine may hesitate after refueling

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