Deep sleep problem solved yet?

[Gpp]

Well my ecoboost maverick is haveing the so called deep sleep problem.sits about 3 days and want start.when its 20 degrees it might not start the next morningi,ve read up on it but you would think by now ford would have a fix by now.anything been pin pointed as far as anyone knows.driving every day is not my idea of a fix

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[Ringo]

Likewise here. Dealer didn’t find anything. I think its the battery or charging system afraid to fully charge.
i keep my jumper charged but, still. ??

 

[The Weatherman]

I’ve seen several times one my Mavericks. The other doesn’t do it nearly as often.

I’ve bought two NOCO battery tenders and have started using them when the truck has sat for more than a day or it has gotten below freezing.

 

[rclee]

I did not realize the EcoBoost had a deep sleep issue? Thought that was only Hybrids.

 

[bgn]

Nope. The dealer told me "it doesn't always work" and "we found no issues."

The auto start stop has worked maybe 5 times in the past two months.

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