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Old 03-31-2013, 02:33 PM
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Engine vibration

I have a 2003 6.0 and noticed a few days ago that I have developed a vibration from what I think is coming from my engine. This is extremely noticable until the truck is warmed up at about 1500-2200 rpms and almost feels like it is missing out. Once the truck is warm it just has the vibration and really vibrates at about 40-55 mph. Once over that speed it smooths outs. I have a SCT and no codes have been popped, no white smoke and CEL as of yet. Any suggestions before I drop the dime at the mechanics? thanks in advance
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Old 04-01-2013, 08:18 PM
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Mine did that when #4 injector failed, with rough idle, no smoke. But I got codes, you may need a contribution balance test. I don't know how well the sct is at reading stored codes. You may be experiencing stiction. What oil are you running?

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Old 04-01-2013, 08:42 PM
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Got the news today #8 injector is missing and my FICM is dropping to 24v per the ford tech computer. A friend told me to try hot shot secret for the injector before I replace it seems they swear by it. Ford is trying to get me for 725 for the FICM. Running full synthetic oil to answer your question.
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Old 04-01-2013, 09:03 PM
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Most guys like rev-x or archoil. It won't fix your problem. You need to load test your batteries, bad batteries kill ficms. Ficmrepair.com will get your ficm going again for much less than you were quoted. I would get the ficm repaired and then see if the injector clears up. You need to read the sticky on monitoring, that may have saved you a trip to the dealer.

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Old 04-02-2013, 04:36 AM
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Is there a write up on load testing batteries on here?
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Old 04-02-2013, 05:03 AM
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Quote:
Originally Posted by Rolln_Coal View Post
Is there a write up on load testing batteries on here?
Take them out and bring them to the parts store.

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