P2443 low
EVAP Emission System Purge Flow Circuit Low
Can I Drive?
Yes, But Fix Soon
DIY Difficulty
moderate
Estimated Cost
$80 - $300 (parts and labor)
What does P2443 mean?
The P2443 code means the vehicle's onboard diagnostic system has detected: EVAP Emission System Purge Flow Circuit Low. This is a low severity code.
Advertisement
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)
- Short to ground 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
-
Test EVAP purge solenoid operation with scan tool bidirectional control
-
Inspect purge line for kinks or blockages
-
Measure purge solenoid resistance
-
Check wiring and connector at purge solenoid
Advertisement
Frequently Asked Questions
What does P2443 mean?
P2443 indicates: EVAP Emission System Purge Flow Circuit Low. The ECM detected an issue that needs diagnosis and repair.
Is P2443 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.