6.0 dually starts hard in cool weather.

[cheesehead]

I saw this post from someone else and I am having a similar problem. My parents have a 03 6.0 dually, that they bought used in Florida. Never been out of the state of Florida. They are in Wisc. for the summer months, and are having a little trouble starting it. Below 45 50 degrees she will start, but it bucks and kicks and smokes until it gets warm. then it will run fine. Once its warm, keeps restarting no problem. I was in florida when they bought it and it started every morning no problem. But, it was also 65 70 degrees when we were starting it. Any ideas??? Could it be the cold start flash, if so, how can I check that it was done, how do I get it done, and do I have to pay for it? Thanks a bunch.

Dan

[6.0 paul]

Hey Cheesehead,
How's Port Washington this fine morning.
I would check the glow Plug Relay. It sounds funny but my Excursion did the same thing.
It was covered under warranty.

[cheesehead]

Is there anyway I can test this relay before I go spend 230 bucks on it???? P.s. can u send pictures of the mustang? I am building a 68 and want to do some of the same things u did to yours.

Dan

[6.0 paul]

Not sure about testing it, however if you do a search on the site I bet you could find out.

I'll pm photos to you

[SCUFFY828]

doesnt have a relay on a 6.0 a module and the pcm tests it , if there was a problem, the check engine light should come on, do the reflash , sounds like injectors sticking to me

[6.0 paul]

OK i did not know My excursion was a 7.3

[cheesehead]

Originally Posted by SCUFFY828

doesnt have a relay on a 6.0 a module and the pcm tests it , if there was a problem, the check engine light should come on, do the reflash , sounds like injectors sticking to me

Not to sound stupid, how do I do the reflash. New at this sorry for the questions.

Dan

[SCUFFY828]

Originally Posted by cheesehead

Not to sound stupid, how do I do the reflash. New at this sorry for the questions.

Dan

the reflash has to be done at the ford dealer , its a software program that is designed justy for cold start issues , which is common with the 6.0

there are no stupid questions , thats why we are here to help each other out