P144B - EVAP System Secondary Purge Vapor Line Restricted/Blocked
DTC DESCRIPTION P144B - EVAP SYSTEM SECONDARY PURGE VAPOR LINE RESTRICTED/BLOCKED
| Description: | This DTC sets when the evaporative emission (EVAP) vent tube to the EVAP leak detection control module is restricted. | ||
| Possible Causes: |
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| Diagnostic Aids: | Check for restrictions in the EVAP vent tube between the EVAP leak detection control module and the fresh air inlet. Inspect the connectors for signs of damage or corrosion. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to Pinpoint Test HX. | ||