Really lost
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Really lost
Hello everyone, I,m working on my fathers work truck. 1999 F350 superduty dump truck with the 5.4 triton and hes having problems with it and i managed to pull up some codes. Whats strange is its not firing on the front 4 cylinders and it happened all at once. Any help would be greatful and possably a walkthough.
P1401
P1151
p0351
P0352
P0355
P0356
P1401
P1151
p0351
P0352
P0355
P0356
FTE Leadership Emeritus
Joined: Sep 2000
Posts: 23,174
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From: Stephensville WI
Hi superdoyle and welcome to FTE.
P1401 Differential Pressure Feedback Electronic Sensor circuit High Voltage
P1151 Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Lean - Bank No. 2
I would start by checking the O2 and DPFE sensors, which may be causing the misfires on the 4 cylinders.
P1401 Differential Pressure Feedback Electronic Sensor circuit High Voltage
P1151 Lack of Upstream Heated Oxygen Sensor Switch - Sensor Indicates Lean - Bank No. 2
I would start by checking the O2 and DPFE sensors, which may be causing the misfires on the 4 cylinders.
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I found the small nipple broken off the DPFE, i hope that was the problem. I,m jb welding it back together and hoping it holds, Also i found the wire was off on bank 2. I,ll post results in a little bit.
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