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Last night I was pulling a light trailer (3,000lbs) with my F350 w/6.0 liter. At about 60mph and 1800rpms the engine would sputter. You could here it and feel it. It is difficult to explain, but it just seemed like it was missing. As long as I held that RPM range it would sputter. The engine would not do it at any other speed or RPM range, but I could return back took 1800rpms and the engine would do it again. It took it to the dealer and they said the computer did not log any history of a problem (typical). Injector issue? Any ideas?
Go Zags, I had the exact same experience - only I wasn't pulling anything. I too went to the dealer and got the same response that you got. I did have the tech take a ride with me but of course I wasn't able to duplicate it when he was in the truck. The shutter happened several times on a recent trip that I took from Phoenix to Denver. I've never had it happen in town, but it was so alarming that I haven't been able to get over it - it's the whole reason I got online and joined this forum! Could altitude have been a factor??
I've experienced another (perhaps unrelated) shutter at slow speeds when the truck is still in 1st gear, just after some acceleration when I let off the gass and let the truck "jake break." The engine sounds terrible. This one I'm pretty sure I can duplicate - just need to find enough time to take my brand new $50K truck that is supposed to run decent and leave it at the shop with techs that have been less than impressive.
I'll keep you posted as to what I find out. Hope you'll do the same.
Bald Guy, thanks for your response. I have not been able to duplicate the shutter again. So, I'm just out of luck until it gets more serious. I have the exact same truck as yours with only 7,000 miles. It makes me sick to think there is something wrong. I'll keep you posted.
If what your talking about is what I think it is, your not alone. At 1700 rpm, approx. 65 mph, when the truck is pulling any kind of grade, or working at all, the truck begins to stutter. It has been explained by ford to me as an air imbalance on the turbo. Definetly NOT RIGHT, and definetly hard on the rest of the drive train. Ford took my 05 F-350 in Dec., and drove it multiple times over a nearby mtn pass. they told me they were aware of the problem prior to that, but unable to duplicate the problem. They were very happy to gather all the info on my truck and said they would create a fix (new flash), and get back to me. Of course that has not happened yet, and the stutter/jerking is getting worse, and happening more frequently. this is one of the reasons I am not a "happy" ford owner, singing their praise!!!
You guys are describing what I am having that I posted "feels like someone is tapping my accelerator". My truck actually died while in reverse. I took it to the dealer, they replaced a sensor (7 days in shop), I went to pick it up, drove it home and it died and begin to miss or whatever all over. Took it back to the shop that very day and seven days later they said they could not replicate it and I now have the recorder box. The other day it started to do it again and I recorded four times, but today the button fell in the cup holder and I think it re-recorded 3 of the previous recording. NOT good. Anyhow I am going to hold on to the recorder until it dies on me again. I am also trying to get them to fix my oil spot on my hood, and my mpg is down from 15.5 city to 12.3 on the overhead, don't even want to know what it is actually. Hope that improves. Feels like I have power, but that sudden jerk in the engine is dangerous. Levi
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