Engine Vibration - Ford Powerstroke Diesel Forum
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  #1  
Old 10-29-2009, 08:07 AM
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Engine Vibration

Hello,

I am having a problem with my engine having a vibration, I have taken it to my local ford service dept. several times with partial luck. First I wanted to say that I have 100k miles and have been good about oil change and fuel filter change. I let the air filter go over a little because I did not realize how bad it was but the filter still looked clean on the output side, intake side had dirt/sand falling out of it though. I am the second owner of this truck, my dad owned it first and he is usually good about vehicle care. When I went to ford about 200 miles ago they had to replace my driver side fuel injectors and #5 glow plug. When I got the truck back the vibration was much better however still present. I took it back that week and they replaced the #8 glowplug and said the heater control valve was leaking. I just had to have my alternator replaced because it wasn't doing much but looking pretty on my engine, the shop I took it to asked if I was charging my batteries at night and was surprised to find out I wasn't. One other thing to mention, I have a Diablosport Predator chip in my truck and the vibrations become far more noticeable when the chip is installed, I use the economy tune (if more details on the tune are needed please ask). Also some more potentially helpful information, before the initial repair where my driver side injectors were replaced, I would get the vibration at basically any RPM, the ones I tried most were 1250, 1500, and 2000 which all gave a very strong vibration with or without the chip installed. Since my driver side injectors have been replaced I can barely feel the vibration without the chip in the vehicle but with the chip in the vehicle I feel it quite strongly at 1250 RPM's but I don't notice it at 1500 or 2000, I'm not saying its not there, I just don't feel it. So far I have not seen any kind of abnormal colored smoke but it seems that I am getting less smoke when I floor it from a dead stop than before. Also since the injector replacement, the buzzing the engine makes when you turn the key to the on position is not as loud and its longer, even after the glow plug light goes off.

Sorry for the post being obnoxiously long, I wanted to try to give all information that I felt might be necessary in a diagnosis, if I missed something please let me know.

Forgot one other part, its a 2005 Excursion limited, 6.0L PSD

Thanks in Advance!
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Old 10-30-2009, 11:00 AM
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Sorry for the bump, need an idea.
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Old 10-30-2009, 11:09 AM
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Are you sure the vib is coming from the motor?
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Old 10-30-2009, 11:13 AM
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I'm not sure what else could be causing the vibration at 1250 RPMs while in park, but then again I'm also not a mechanic. Do you have any idea what else could possibly cause the vibration in park at 1250 RPMs? I went to my local ford service dept and they claim its not an issue (30 miles to the end of my warranty) but the truck never used to have this vibration and anyone else who has sat in the vehicle told me I need to get it checked out. I also found out I'm not the only one who had problems at my local service dept. Tried calling corporate about it but they wouldn't do anything for me and now I'm out of warranty. At this point I'm more concerned with the life of my engine than the repair costs, I want to make this thing lasts to at least 500k miles and yes, I know that is going to be extremely difficult.
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Old 10-30-2009, 11:19 AM
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Can you take it to a different dealer?
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Old 10-30-2009, 11:40 AM
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I'm out of warranty now, I wanted to but corporate wouldn't give me enough extra miles on my warranty to get myself to another dealership.
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Old 10-30-2009, 11:41 AM
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Dam I woulda towed that bad boy. Sorry I cant help you more man.
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Old 10-30-2009, 11:49 AM
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Yeah I'm almost wishing I had because I think its my passenger side fuel injectors and I bet thats going to be an expensive repair. If they fail I'm going to rip ford apart until they warranty the work with no deductible, they've gotten enough money from me already to possibly need any more. Not that they will do anything but I'll make sure they know how pissed I am.
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Old 10-30-2009, 12:03 PM
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get a hold of the BBB. If its that bad
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Old 10-30-2009, 12:11 PM
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Well I just got ahold of palm coast ford and I think I will take my vehicle there tomorrow just for their top diesel mechanic to sit and rev the engine and tell me if the vibration is normal or abnormal. My local ford service dept. keeps trying to tell me its normal but it most certainly is not. As I mentioned in the first post I have a performance chip for my truck and the vibration gets worse when it's installed but it is still present when its at stock. I need to call back to see if their mechanic has 30 seconds to do that before I drive on down there though.
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