LEMON Manuals: Even more car manuals for everyone
Home >> Dodge and Ram >> 2006 >> Durango 4.7 P, 4WD, Part Time >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P0315 To P0462 >> Diagnosis And Testing >> P0440-General EVAP System Failure >> Possible Causes

Possible Causes

Possible Causes 
EVAP PURGE SOLENOID VACUUM SUPPLY
(Z938) GROUND CIRCUIT OPEN
(K107) NVLD SWITCH SIGNAL CIRCUIT OPEN
EVAPORATIVE EMISSION LEAK DETECTION
NVLD ASSEMBLY
EVAP PURGE SOLENOID
PCM

Always perform  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  before proceeding.