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2nd gen 3.5 ecoboost, long crank on cold start??

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Old 02-14-2019, 12:53 AM
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Default 2nd gen 3.5 ecoboost, long crank on cold start??

when I first start my truck up in the morning it seems like it takes more cranks than it should to fire up. its not terrible all the time but today seemed to be getting worse. anyone else notice this? don't notice it at all if the truck has been restarted within 3-4 hours. only on an overnight cold start.
Old 02-14-2019, 01:32 AM
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Nope. Truck starts the same whether its 90* or -25*.
Old 02-14-2019, 01:58 AM
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Indeed this was the first thing I noticed in my 18 versus 15 and previous.
Old 02-14-2019, 04:37 AM
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Originally Posted by srt20
Nope. Truck starts the same whether its 90* or -25*.
Same here as it started almost immediately at -20 last week. No issues what so ever.........
Old 02-14-2019, 10:58 AM
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I needed to start my truck the other day when we were in -40 weather. I was unable to plug it in where I was parked. I used the "flood clear" method, of holding the accelerator pedal to the floor, & cranked it over for a while to try to build some oil pressure before starting. I cranked a few cycles this way, until it seemed that my battery was getting weak, then removed my foot from the gas pedal to allow it to start.
Oil pressure gauge was up immediately. I had a lot of cranking power I thought. I am sure it would have fired up with out an issue, but thought it might get some oil circulating through the engine before ignition.
I also do this after completing an oil change, to prime the system before ignition too.

I like to park in my garage when I am at home but was forced to park at a location where I couldn't reach the outlet with my 30 foot cord.
Old 02-14-2019, 11:08 AM
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I’ve noticed mine getting a bit slower to start hot or cold. Like 3 seconds vs 2. Turn over rpm seems fine and no change.
Haven’t noticed definitively if gas grade makes a difference, but have my suspicion it may be slower with 92 vs 87 octane?? (which sorta makes sense)

Last edited by noclutch; 02-14-2019 at 11:13 AM.
Old 02-14-2019, 11:08 AM
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Originally Posted by hidesert cowboy
when I first start my truck up in the morning it seems like it takes more cranks than it should to fire up. its not terrible all the time but today seemed to be getting worse. anyone else notice this? don't notice it at all if the truck has been restarted within 3-4 hours. only on an overnight cold start.
define long crank
Old 02-14-2019, 11:34 AM
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Originally Posted by djfllmn
define long crank
over 3 full seconds, OR twice as long as a warm start
Old 02-14-2019, 11:38 AM
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sounds normal to me...but if you think its not right

take it to the dealer and let them deal with it, make sure you let it sit there overnight

Last edited by djfllmn; 02-14-2019 at 11:42 AM.
Old 02-14-2019, 11:41 AM
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Originally Posted by hidesert cowboy
over 3 full seconds, OR twice as long as a warm start
Mine takes twice as long to start in the cold as a warm start. Has since I got it.


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