P2445 low

EVAP Emission System Purge Flow Circuit Intermittent

The P2445 code means the vehicle's onboard diagnostic system has detected: EVAP Emission System Purge Flow Circuit Intermittent. This is a low severity code.

My Garage →
Keep driving?
Yes, but fix soon
DIY difficulty
moderate
Estimated cost
$80 - $300 (parts and labor)
Recommended Tool
ANCEL AD310 OBD-II Scanner

Best-selling code reader on Amazon. Reads and clears check engine codes on any 1996+ vehicle. Under $30.

Check Price on Amazon

Affiliate link -- we earn a commission at no extra cost to you.

Every Tech Needs This
AstroAI Digital Multimeter

Essential for diagnosing sensor codes, checking voltage, and testing circuits. Under $15 and pays for itself on the first job.

Check Price on Amazon

Affiliate link -- we earn a commission at no extra cost to you.

Common Symptoms

  • Check Engine Light on
  • Rough idle when EVAP purge activates
  • Slight fuel odor
  • Failed emissions test
  • Fuel tank pressure issues

Probable Causes (Ranked by Likelihood)

  • Intermittent connection in purge solenoid circuit Very High
  • Clogged or restricted EVAP purge line High
  • Damaged wiring to purge solenoid Moderate
  • ECM purge solenoid driver fault Low

Step-by-Step Diagnostic Procedure

  1. Test EVAP purge solenoid operation with scan tool bidirectional control

  2. Inspect purge line for kinks or blockages

  3. Measure purge solenoid resistance

  4. Check wiring and connector at purge solenoid

Frequently Asked Questions

What does P2445 mean?

P2445 indicates: EVAP Emission System Purge Flow Circuit Intermittent. The ECM detected an issue that needs diagnosis and repair.

Is P2445 urgent?

EVAP codes should be repaired but are not usually urgent unless you have an upcoming emissions test.

What should I check first?

Start with a visual inspection of the sensor wiring and connector. Use a scan tool to read live data. For DPF codes, check soot loading level. For EVAP codes, check the gas cap first.

Sources

This page is built from documented references. Verify against your own service info before repair work.

Explore More

Was this helpful?

Share carcodefinder.com with a friend who needs to decode their check engine light.