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P1278 Diagnostic Trouble Code Discussion for May 2005

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


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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
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