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Ford Raptor Engine Discussion and Performance Mods-6.2 Liter V8 [GEN 1]

Slow cranking...Fuel issue?


This is a discussion on Slow cranking...Fuel issue? within the Ford Raptor Engine Discussion and Performance Mods-6.2 Liter V8 [GEN 1] forums, part of the GEN 1 (2010-2014) Ford SVT Raptor Forums category!
This started about a month ago, and has slowly gotten worse. First start of the day, and if it sits ...


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Old 12-07-2017, 05:19 PM   #1 (permalink)
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Default Slow cranking...Fuel issue?
This started about a month ago, and has slowly gotten worse. First start of the day, and if it sits for a couple of hours it is very slow to crank and start. The only solution I found was to turn the key to the ON position (not trying to turn it over), waiting 10 or more seconds, and then it will fire as it should. If I just try to put the key in and start it acts like the battery is dying then cranks.

I can start it over and over with no problems. Searching only gave me a post that all the trucks had tunes. I have no tune. Battery is brand new as a week ago and no performance mods.

Anyone else have the problem, or any ideas?




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Old 12-07-2017, 05:21 PM   #2 (permalink)
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Gen 1 I assume?
Check fuel pump fuse
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Old 12-07-2017, 05:28 PM   #3 (permalink)
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Yes 2011 6.2L. I will do that tonight.
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Old 12-07-2017, 05:35 PM   #4 (permalink)
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Originally Posted by dhanni848 View Post
Yes 2011 6.2L. I will do that tonight.
Could also be this

http://www.fordraptorforum.com/f183/tsb-11-1-5-canister-purge-valve-1347/
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Old 12-07-2017, 05:45 PM   #5 (permalink)
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Thanks! Not sure how I didnt find the fuse27 deal. Where is the best place to buy the TSB kit from? Or just cut and solder in the new spot?
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Old 12-07-2017, 07:32 PM   #6 (permalink)
 
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Did you run a battery test with one of those load testers?

Anyway It's battery related,
you're going to have to do a proper cleaning of the terminals
and you may have to go down to the starter and remove the nut and clean the connections up.
Good time to buy a terminal cleanup kit with the brush, red spray and felt pads!!!
Make sure to leave the battery disconnected when doing the starter connection.
Had to do my starter connections two years ago, they were pretty bad.
Also you should the three bolts holding the starter mine had come loose and it has happened to a few members also.

When fuse 27 goes bad it will crank really fast but not start, JFYI
My fuse burned out after 7 years, I just replaced it a month ago.
I have not done the 27 fuse kit because the terminal is still ok. For now! LOL
You should get some micro fuses and throw them in your truck, always good to have a small set in the truck anyway.


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Old 12-07-2017, 08:55 PM   #7 (permalink)
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ebay/amazon has the fuse 27 relo kit very cheap
Followed a video on YouTube and it was done in an hour
Feel comfortable heading off the beaten path with this done
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Old 12-07-2017, 09:44 PM   #8 (permalink)
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thank you both. fuse 27 looked perfect and really brand new. the relocation had not been done either. when i replaced the battery i cleaned everything and added the little felt pads too. i will check the starter tomorrow and clean that up. if that doesnt work it should be the vapor canister...i hope.

definitely going to be stocking up on some mini fuses now that i have read all of this! probably just go ahead and do the vapor canister as well.

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Old 12-10-2017, 08:00 PM   #9 (permalink)
 
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When the canister purge valve goes bad it normally throws a code.
It's part of the evap emissions control, I cant see that being an issue with the battery.


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Old 12-11-2017, 09:58 AM   #10 (permalink)
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Didn't get a chance to clean up the starter this weekend. Priority of winterizing the boat took over.

Hopefully be able to look at it Wednesday. I have no codes.
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