2003 6.0 powerstroke starting rough - Ford Powerstroke Diesel Forum
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Old 03-06-2007, 09:22 AM
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2003 6.0 powerstroke starting rough

This started about 3 weeks ago, when I start the truck in the A.M. and it is cold outside say 40 or below the truck runs VERY rough for a period of time, the colder the temps the longer it runs rough up to 3 minutes. Changed oil and filter, both fuel filters and air filter with no improvement. If the truck is inside at night there is no problem when it starts. Any thoughts.

Axe
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Old 03-07-2007, 05:45 PM
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could be injectors.

I put my 05 in the shop for rough starts. It would run rough then warm up and be fine. The dealer upgarded the injector program. Good luck
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Old 03-13-2007, 09:44 PM
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Same here, '03 6.0 X is in the shop at the moment for starting rough when below about 10degC (50F). Mine also blows blue for a minute or so. When it was way below freezing a while ago, I had forgot to plug in the block heater and the truck felt shook like it was running on one cylinder for a while. Not pretty.

The tech figures he'll be replacing a few injectors then updating the software with the injector solenoid post-shutdown heating magic thingy. Not the update that buzzes the injectors, but a newer one that isn't as annoying.

Check out this thread and maybe someone else can chip in a link to another one all about the latest software (at the time of typing anyway). I searched but couldn't find it anywhere.
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Old 03-14-2007, 09:26 AM
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rough starting issues fixed!

I just got mine back from the shop and it now runs great. Used to run extremely rough and blow blue for the first few minutes when engine was cold, now it's back to smooth starts and a clean smelling exhaust.

The fix was to perform TSB 07-5-4, where the upgrade the software and possible replace a few injectors. Some posts here say the software is a fix, others say it's a preventative measure, I don't know the answer (I wasn't able to talk to the tech about it unfortunately).

But while it was in I also had them change the oil, fuel filters, air filter, and do a tranny flush. So that might have helped too, though I doubt it. Amazing how a small warranty job magically turns into a $1000 bill.
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Old 03-14-2007, 10:03 AM
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Quote:
Originally Posted by Floundered View Post
But while it was in I also had them change the oil, fuel filters, air filter, and do a tranny flush. So that might have helped too, though I doubt it. Amazing how a small warranty job magically turns into a $1000 bill.
The fluid change and flush cost $1,000? What else did you have done?
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Old 03-14-2007, 10:42 AM
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Thanks for the info... I' do believe that i will be going to a different dealer next week, too bad it has to be this way.

Axe
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Old 03-14-2007, 10:44 AM
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Thanks for the info...especially the service update #s. I will be going to a truck center/dealer next week..too bad it has to be like this.

Axe
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Old 03-14-2007, 10:48 AM
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(All values in Canuck bucks)

Warranty deductible - 100
Fuel & Air filter change - 265.19
Oil & filter - 129.95
Tranny flush - 349.95
Misc shop supplies - 35
Taxes - 114.42
Total: 5.49 shy of $1000 (About $850 US)

Having an Excursion start and run sweet again: far from priceless.

That hurt.

"Hey honey, nothing but oatmeal and water for a few more weeks, ok?"
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Old 03-14-2007, 11:13 AM
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Floundered,

Next time find a parts store that you trust. Air filter lists for $50-112. 15 Qts Ford oil and filter around $70. Fuel filter kit $55.. all of these items you can doo yourself very easily especially the oil change and top side fuel filter change, rail mounted filter can be tough and the air cleaner is also a challenge to get out and replaced but it worth it...(I just don't like OATMEAL).

Thanks

Axe.
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