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Home >> Jeep >> 2005 >> Wrangler X, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 628 (Powertrain Diagnostic Procedures - DRIVEABILITY - NGC Symptoms & Diagnostic Tests (DTCS P0016 To P0563)) >> DRIVEABILITY - NGC - Diagnostic Tests >> P0452-NVLD Pressure Switch Stuck Closed (Gas - 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. EVAP PURGE SOLENOID LEAKS/STUCK OPEN
  3. (K52) EVAP PURGE SOL CONTROL CIRCUIT SHORTED TO GROUND
  4. NVLD SWITCH OPERATION
  5. NVLD ASSEMBLY
  6. (K107) NVLD SWITCH SIGNAL CIRCUIT SHORTED TO GROUND
  7. PCM
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