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Home >> Jeep >> 2005 >> Wrangler X, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 627 (Powertrain Diagnostic Procedures - DRIVEABILITY - Gas - Symptom & Diagnostic Tests (DTCS P0031 To P1899)) >> DRIVEABILITY - Gas - Diagnostic Tests >> P0442-EVAP Leak Monitor Medium (0.040) Leak Detected; P0455-EVAP Leak Monitor Large Leak Detected; P0456-EVAP Leak Monitor Small (0.020) Leak Detected (Gas - Except NGC) >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2004 Dodge Pickup and 2004 Dodge Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. GOOD TRIP EQUAL TO ZERO
  2. INTERMITTENT CONDITION
  3. VERIFY EVAPORATIVE EMISSION SYSTEM LEAK
  4. EVAPORATIVE EMISSION LEAK DETECTION
  5. EVAP PURGE SOLENOID
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