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Old 02-04-2019, 05:58 PM   #104
Golfmedik
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Join Date: Apr 2016
Location: Auburn
Posts: 879
M.O.C. #18474
Quote:
Originally Posted by DmaxDually View Post
FyI, if you install gravity feed aux tank in you bed the ECM could set a trouble code/check engine light on some newer trucks. If the gravity feed aux tank keeps your main tank full all the time the ECM doesn't see the fuel level in your main tank decreasing over a certain amount of time and might think something is wrong with your level sensor and set a code..
This is true, but hasn't happened on any of the Fords in our group. The Chevy has not had trouble either, but we are all running 12V switches on them to open them as needed. That may be why they haven't set any codes for our trucks.
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