Florin Sicoi posted an answer for this 2003 Chrysler Town & Country:
"I had P0455 code and the Leak Detection Pump Vent Valve 4669865 OEM Mopar was the..."
Florin Sicoi posted an answer for this Chrysler Cars & Trucks:
"it can be two pieces of hose under the air filter box or Leak Detection Pump vent valve..."