Cold no crank, no start?
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Joined: Feb 2013
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From: Pflugerville, TX
Cold no crank, no start?
I have an 08 F150 5.4L with about 68k miles. When the temperature is 40 degrees or colder it will not crank. I had the same issue with my 2005. I can turn the key and nothing, lights, radio and everything work. The dash display has dashes all the across for the miles, temp and compass. I have found out that it doesn't matter if I leave the key forward in the run position or try to crank, it won't do anything. Battery is good and no problems with the truck. After the key is in and I give it anywhere from 15 to 60 seconds you can hear an electrical click real faintly and see the red security light come on and then the computer display comes on and then I can start with no problem? What could this be? My dealership has no clues and I can get it to act up because after I get it there it starts with no issue. The remotes work fine and this issue was why I got rid of my '05. Please help!!
Lead Driver
Joined: Dec 2012
Posts: 7,878
Likes: 50
From: Tennessee
Do you have more than one PATS key for different cars on one keychain ? Have you checked powers and grounds ? I had a crown vic towed in 3 times for no start . Turns out the wife had keys for the truck and the vic on the same ring . When we got it we only got the one key . The 2 keys together were confusing the computer because of the way the security system works . If you have 2 keys for the truck , try the other when this happens . I have seen bad keys cause this also . Just a thought , Good Luck !
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New User
Joined: Feb 2013
Posts: 6
Likes: 0
From: Pflugerville, TX
Thanks JWC3, I will try it however, I only have the truck key with my house keys on the key chain. One thing I just thought of was I do have an Exxon speed pass that has a chip in it, I wonder if it can interfere? I will have to try both.
Lead Driver
Joined: Dec 2012
Posts: 7,878
Likes: 50
From: Tennessee
Good luck , let us know what happens . If you had any comm. codes , dealer should have picked them up .
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