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Home >> Dodge and Ram >> 2003 >> Durango Base, 5.9 Z, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 103 (Powertrain Diagnostic Procedures) >> Diagnostic Information And Procedures >> DRIVEABILITY - NGC - Diagnostic Tests >> P0440-General EVAP System Failure >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2004 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.
  1. GOOD TRIP EQUAL TO ZERO
  2. VISUAL AND PHYSICAL INSPECTION
  3. EVAP PURGE SOLENOID VACUUM SUPPLY INSPECTION
  4. EVAP PURGE SOLENOID
  5. NVLD SWITCH OPERATION
  6. (Z1) GROUND CIRCUIT OPEN
  7. NVLD ASSEMBLY
  8. (K107) NVLD SWITCH SIGNAL CIRCUIT OPEN
  9. EVAPORATIVE EMISSION LEAK DETECTION
  10. PCM
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