× 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

P1278 Diagnostic Trouble Code Discussion for May 2005

Air Fuel Sensor (Bank 1 Sensor 1) Circuit Response Time

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 P1278
Help Request Posted
1993 Ford E-350 Econoline 7.3L check engine light VIN: 1FDSE35F8Y
P1278: low to high side injector open. ... power stroke that the check engine light will flicker on when driving down the road . It will not stay on for more than a second or two. We extract the two codes p1316 codes stored in the idm and [...] high to low side open.We have took the valve cover off...
May 12, 2005