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Bad fuel mileage

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Old 04-25-2018, 10:53 AM
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Disconnecting your battery should not affect your tune.

There is a "learning" procedure for your ECM that should be followed:

"I can't seem to copy and paste from my tablet. The procedure is under Maintenance, Replacing thheBattery.
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Old 04-25-2018, 10:53 AM
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If you have an sct x4 Kam reset is under special functions
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Old 04-25-2018, 11:00 AM
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Originally Posted by SBV45
Disconnecting your battery should not affect your tune.

There is a "learning" procedure for your ECM that should be followed:

"I can't seem to copy and paste from my tablet. The procedure is under Maintenance, Replacing thheBattery.
https://www.f150forum.com/f72/batter...rocess-133736/
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Old 04-26-2018, 04:31 AM
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Originally Posted by jdunk54nl
If you have an sct x4 Kam reset is under special functions
There isn't anything under special aside from tpms sensor settings and shut off
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Old 04-26-2018, 04:31 AM
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Originally Posted by Spiky
Thank man! I'll try it tomorrow
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Old 11-14-2018, 07:49 AM
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Originally Posted by karl contreras
Thank man! I'll try it tomorrow
Did it help?!
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Old 11-14-2018, 11:21 AM
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Check that you Vapor Canister Purge Valve is working properly, not stuck open!
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Old 04-10-2019, 05:25 AM
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Originally Posted by Adam Hostetler
Did it help?!
No, no change
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Old 04-10-2019, 05:27 AM
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Originally Posted by blkmesamtman
Check that you Vapor Canister Purge Valve is working properly, not stuck open!
That's an idea! I know I'm having issues with it when I fill up, the truck doesn't like to start right away, and as a result will sit there and crank over till it starts
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