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6.0L Power Stroke Diesel 2003 - 2007 F250, F350 pickup and F350+ Cab Chassis, 2003 - 2005 Excursion and 2003 - 2009 van

Fuel additive problem

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Old Sep 12, 2013 | 04:15 AM
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Fuel additive problem

I have a 05 cc 6.0 and add stanadyne performance with every fill up. I'm comfortable with the product. Another family member wanting to be helpful added an ounce of PRI-D to a full tank after I already used the stanadyne. I noticed a little more black smoke when I put my foot on the gas as the turbo kicks in after the fill up and started asking questions. I'm hoping I'm not going to have a problem from the two additives in the tank at the same time. It does start up a little quicker and quieter though....

I'm just concerned about the extra discharge and any possible damage down the road.
 
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Old Sep 12, 2013 | 03:17 PM
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I have never heard of PRI-D, so I looked it up. I see it is an emulsifier, meaning it will absorb water into itself and into the fuel. This is not what you want in your Powerstroke. So for that reason I would not use the stuff.

Having said that, I don't think one treatment will be harmful, and I certainly don't think mixing it with Stanydyne is a problem. So I would just burn off the fuel. And next time tell them not to add anything to your tank.
 
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Old Sep 13, 2013 | 02:38 AM
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Thank you for the quick response. I'm hitting the pedal hard to burn through the stuff as quickly as possible. I'm not sure what I'll do with the Pri-d at this point. I may try storing some diesel or something. Thanks again.
 
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