P0497
PowertrainEvap Systemmoderate severityEvaporative Emission System Low Purge Flow
What P0497 Means
The EVAP system is flowing less purge vapor than expected. This usually points to a blocked line or a purge valve that won't open.
Symptoms
- Check engine light on
- Fuel odor near vehicle
- Possible failed emissions test
Common Causes
- Clogged or restricted purge line
- Purge valve stuck closed
- Faulty purge valve solenoid
- Blocked charcoal canister
Diagnostic Steps
- Scan for related EVAP codes
- Inspect purge lines for blockage
- Test purge valve for proper opening
- Check charcoal canister for restriction
🔌 Don't have a code reader?
Any of these will read and clear this code — pick by how deep you want to go.
Budget handheld~$40
ANCEL AD410 →
No-phone-needed handheld — reads, clears, live data, freeze frame.
✓ ANCEL official store
Serious DIY~$100
BlueDriver Pro →
Enhanced codes (ABS, airbag, TPMS) plus repair reports.
SHOP FAVORITEShop-grade tablet~$300
Autel MaxiCOM MK808S →
Bidirectional tests, service resets, all systems.
✓ Autel official store
Pro diagnostics$1,500+
Autel MaxiSys MS906 Pro →
Full-system pro platform — topology mapping, ECU coding, the works.
✓ Autel official store
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Community Confirmed Fixes
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