× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network

P1420 Diagnostic Trouble Code Discussion for October 2010

NOX Adsorptive Catalytic System Efficiency Too Low


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P1420
Help Request Posted
2000 Volkswagen Beetle GLS 2.0L No Start, Stall VIN: 3VWCC21C8Y
P1420: Evap purge valve short to ground. I want to thank everyone in advance and apologize for the long detailed test procedures. I am at a lost. My customer has been more than patient with us. Daughter is going to school here and Mom and Dad live 120 miles from here. Thanks again!! •Vehicle came i...
October 13, 2010