Problems with a 03 6.0 - Ford Powerstroke Diesel Forum
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Old 10-21-2006, 02:16 PM
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Problems with a 03 6.0

I just bought a 2003 Excursion with a 6.0 it has 22000 miles on it. After running it for a while I start having a rough idle. On start up in the morning for about 5 seconds it sound and feels like it is miss firing. Any ideas?
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Old 10-25-2006, 02:44 PM
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I just heard from the Ford dealer I needed a new turbo and EGR valve.
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Old 10-25-2006, 02:46 PM
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the turbo was bad after only having 22k on it? Wierd. next time be easier on it. Let it warm up good before driving away and let it cool down for a little while before shutting it off. That should help.
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Old 10-25-2006, 02:51 PM
Jon
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Warm up has nothing to do with it.

It is VERY common to replace the first turbo on the 6.0's. On your cold start up issue. I bet Marc's garden its atleast one injector.
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Old 10-25-2006, 03:00 PM
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I'd add to that with the 03 6.0's you can't baby them either. You need to run them WOT at least once when you drive it.

I thought injectors after reading the post, but I don't know much about the 6.0. Maybe CHenry can post some helpful info.

At least it's covered under warranty though.
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Old 10-25-2006, 03:05 PM
Jon
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My shop.

When ever there is a concern on a 6.0 only when it is cold it is usually the a injector. Not all of them act up all the time.
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Old 10-25-2006, 03:06 PM
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I also have an 03 Ex with a 6.0. It had 32K on it when I bought it. It ran great on a test drive, but soon after purchase I noticed a bucking under load at certain RPMs. I towed a 6500 pound trailer from CA to Louisiana with it and it ran great most of the time. A few times it would buck under load and dropping the auto trans down a gear to a higher RPM seemed to work around the problem. Once here in Louisiana, it seamed OK. I changed all the filters, and it was obvious the truck hadn't been well cared for. The fuel filter was wasted! Everything was fine until about 34,000 miles when I left from home one day, it would barley run, with lots of smoke. The check engine light came on too. It sat for a couple of weeks before I carried it to Ford. Of course it ran fine the day I carried it in! Ford cleaned the turbo (1 can of carb cleaner on invoice) and replaced the actuator assembly. The invoice states code P0404 and repaired as per TSB 06-18-3. Runs great so far, but I've yet to pull a heavy load, and it's all flat around here, not even a decent hill to climb. That 5 year/100k mile warranty is great! Good luck with yours and let us know how it turns out.
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Old 10-25-2006, 07:15 PM
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I just bought the truck, the guy that owned it before babied it, it sat in a heated garage most of its life he was old. Iím just trying to get everything worked out on it and do all the maintenance. When I get it back Iím going to convert it to AMSOIL.
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Old 10-25-2006, 07:22 PM
Jon
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My friends...

When they ask me about a used powestroke "6.0". They say should I buy it and I say, has it been babied? They say yeah, it's real nice and I say don't. They HATE being babied!
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