'12 E350 5.4L code P013A
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5th Wheeling
Joined: Mar 2008
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'12 E350 5.4L code P013A
Repalced the Bank1 sensor O2 sensor, but the ck engine light still comes on after driving about 140 miles. I've erased the code twice and this still happens. Also when the ck engine light isn't on the fuel gause reads 1/8 of a tank lower than it should. When the ck engine light comes, the fuel guage increases 1/8 of a tank, where it should be. Any ideas how to fix this, and the correlation between the gauge and the sensor?
Junior User
Joined: Jun 2018
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Repalced the Bank1 sensor O2 sensor, but the ck engine light still comes on after driving about 140 miles. I've erased the code twice and this still happens. Also when the ck engine light isn't on the fuel gause reads 1/8 of a tank lower than it should. When the ck engine light comes, the fuel guage increases 1/8 of a tank, where it should be. Any ideas how to fix this, and the correlation between the gauge and the sensor?
Besides that, I don’t know what the correlation could be with the check engine light and the gauge, hopefully some one else could chime in.
Fleet Owner
Joined: Aug 2010
Posts: 21,255
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From: Reynoldsburg, Ohio
Actron's Code Lookup site shows this definition for DTC P013A: P013A-00 O2 Sensor Slow Response - Rich to Lean (Bank 1 Sensor 2). That being the only code you're showing would strongly suggest the down stream O2 sensor isn't working to spec. Link to the Actron site: Actron
Not sure what to think about the errant fuel gauge---could be related to the DTC through the CAN-bus system? Logic says it should be related but one never knows. Which reading seems to be most accurate relative to the actual fuel level you believe to still be in the tank?
Not sure what to think about the errant fuel gauge---could be related to the DTC through the CAN-bus system? Logic says it should be related but one never knows. Which reading seems to be most accurate relative to the actual fuel level you believe to still be in the tank?
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5th Wheeling
Joined: Mar 2008
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UPDATE: The problem was solved by installing a Motorcraft O2 sensor. The aftermarket sensor I bought was supposed to be up tp OEM standards but it wasn't. It was a Bosch. The fuel gauge had nothing to do with it at all, and is the sending unit in the fuel tank.
Fleet Owner
Joined: Aug 2010
Posts: 21,255
Likes: 1,657
From: Reynoldsburg, Ohio
Its very strange the high quality of Bosch parts doesn't seem to impress Ford PCM's. I've read more than a few threads where that brand sensor has caused issues, switching to Motorcraft almost always solves the problem.
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