× 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

P1271 Diagnostic Trouble Code Discussion for August 2006

Air Fuel Sensor (Bank 1 Sensor 1) Circuit No Activity


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 P1271
Help Request Posted
1995 Ford E-350 Econoline 7.3L Misfire, MIL Lamp on VIN: 1FDKE30F1S
P1271: Injector circuit open cyl 1. Sent this critter to dealer. They diagnosed 6 injectors as bad. Also called EBP sensor. We replaced all parts but still come up with codes and symptom, Ok cold, down to 4 cylinders when warm. Help!
August 16, 2006