Will Rev-X help me? - Ford Powerstroke Diesel Forum
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Old 07-15-2012, 10:24 AM
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Will Rev-X help me?

Ever since I've owned my truck (roughly 2,500 miles now), it has been very sluggish in the morning after cold starts. It also runs out each gear a long time when I first pull outta the driveway. After it warms up, it's okay. Since I've had it, I've done a new OEM oil cooler, cleaned the turbo, new fuel filters (Motorcraft), Oil change with Rotella T6 5W-40 (Motorcraft filter), and the blue spring update (fuel pressure never goes below (65 psi.). The sluggishness still remains and I'm not sure what causes it, I read in a forum that sometimes it's a sign of poor injectors. What I'm wondering...

Has anyone had this problem, and if so would Rev-X help?

Will Rev-X lower EOT's at all during operation?
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Old 07-15-2012, 10:31 AM
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I don't know for sure if it would help your situation or not but it won't hurt either. I have used both RevX and Archoil 9100. The Archoil is waaaayyyyy better than RevX, plus it is cheaper. Archoil did drop my temps a little bit also. You can get the oil and fuel treatment from Amazon.com for like $50 I think.

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Old 07-15-2012, 10:35 AM
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X2 on archoil 9100. Order it from the dealer and you get a free sample of there fuel additive for the same price.

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Old 07-15-2012, 10:57 AM
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Have you checked your FICM?

If you don't have something to check it with, like Edge Insight or Scangauge II you will need to do it manually.

FICM testing procedure - Ford Truck Enthusiasts Forums

Have someone help you. I found my FICM would go from 37v to the required 48v in a matter of 10 seconds. So, if you turn the key, climb up and set the probe, your FICM may read correct, when in fact, it may not be. Get into position and tell someone else to turn the key on. Do this with a cold motor.

Here is a graph "Borcht Warrior" on Diesel garage posted of his FICM readings.
Notice how the FICM was operating at first, then got better as temps went up?

Could be why you are having the issues.

(hope the pdf works!)
Attached Files
File Type: pdf June 27 2012-1.pdf (209.7 KB, 24 views)
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Old 07-15-2012, 11:27 AM
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I do have a Scan Guage, and I have never seen the FICM go below 48 volts.
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Old 07-15-2012, 11:35 AM
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I didn't see the SGII in your Sig.
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Old 07-15-2012, 11:38 AM
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So I emailed the guys at archoil today to see if they would send me a sample, talk about excellent customer service I literally had an email back in 3 min saying he would give me a fuel additive sample if I ordered the 9100. But I had already decided to order the powerstroke ps1 treatment which came with this so what does he do asks me if I have any guns and If i would like to try some of there gun oil. I love it when I get customer service like this from a company.
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Old 07-15-2012, 04:30 PM
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If the FICM voltage never drops below 48.0V while driving, I'd assume that it is okay. The truck strarts great hot or cold. The sluggishness goes away when up to operating temp, so I'm thinking a bad FICM would not get worse or better based on temp?
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Old 07-15-2012, 04:41 PM
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My FICM was good when I plugged my truck in all night. Later this spring I quit plugging it in and that is when and how I started noticing the volts dropped. Once the truck was warmed up, my voltages never dropped below 47.5v. It would stay that way all day long. (koeo test, it would start at 40v then increase, it got to a point where it would start at 30v and increase to 48v. Sent it off to be fixed) And, I wouldn't start the truck until it read 48v!

As for blue smoke, my truck was doing this also. It was getting worse. But, again, I only noticed it this spring when I quit plugging my truck in. After truck was warmed up, smoke was gone. And again, this was noticed after I quit the plugging in this spring.

Had FICM repaired and I do not have blue smoke anymore. Of course, I was seeing the FICM start at low voltage, you are not seeing the volts start low and come up. So, not sure what else to say at this point.

That is why I tell folks to test ficm when cold.
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