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Old 08-25-2014, 08:46 PM
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Diesel Fuel Supplement

Has anyone used any Power Service Diesel Fuel Supplement W/cetane Boost in the new ecodiesel last winter? Is it safe for the new diesel's with all the fancy clean emissions? Used it in my 2006 Dodge with 5.9 cummins every winter. No emissions on that. Thanks.
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Old 08-26-2014, 10:24 AM
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Re: Diesel Fuel Supplement

I've used it. I ran a heavy dose when I got a tank of bad diesel a while ago. No problems. I read on the diesel pickup forums that regens occur more often with a Cetane booster. Higher Cetane causes combustion at a lower compression which effectively advances the timing since the fuel ignites earlier in the power stroke. I'm not sure why this would increase soot production....but more frequent regens would indicate more soot was trapped in the DPF.
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Old 08-26-2014, 09:31 PM
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Re: Diesel Fuel Supplement

MPG should be higher with Cetane booster, do you think the Power Service is not worth putting it in at each fill up?
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Old 08-26-2014, 09:38 PM
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Re: Diesel Fuel Supplement

Quote:
Originally Posted by chadg2 View Post
MPG should be higher with Cetane booster, do you think the Power Service is not worth putting it in at each fill up?
There have been many test for mileage increases. Its not significant for most. The real advantages are with protecting against water in the fuel and adding lubricity which protects the Bosch injection pump. If the pump fails, the entire fuel system is contaminated and possible internal motor damage.
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Old 08-28-2014, 06:51 PM
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Re: Diesel Fuel Supplement

I use PSD + Cetane Boost for exactly the reasons Excursion Diesel stated.
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Old 08-28-2014, 07:41 PM
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Re: Diesel Fuel Supplement

Do you use it at every fill and what does it do for your mileage?
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Old 08-29-2014, 01:02 PM
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Re: Diesel Fuel Supplement

Quote:
Originally Posted by ExcursionDiesel View Post
Higher Cetane causes combustion at a lower compression which effectively advances the timing since the fuel ignites earlier in the power stroke. I'm not sure why this would increase soot production....but more frequent regens would indicate more soot was trapped in the DPF.
So are you saying that higher cetane ratings would cause more frequent regens?
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Old 08-29-2014, 01:06 PM
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Re: Diesel Fuel Supplement

Here's a quote from another thread about additives that I thought was helpful, although I don't know if it's correct or not:
Quote:
Originally Posted by Ranger1 View Post
It's best to see if any additive is safe for your emissions equipment. In general, anything that reduces soot formation in the cylinder because of better combustion will help reduce the number of regens.

Fortunately, there are some fuel additives that are safe to use on catalysts and DPF's used on the 14 GC diesel. One of I know of for certain is PS, but there are no doubt many others. I'm not endorsing PS, I just happen to use it for the long term injector cleaning benefits.

It will be harder to tell if an additive reduces soot formation when you have a DPF, except by carefully monitoring regens, but for those of us without them, we can tell almost instantly, LOL. All we have to do is drive behind our CRD Jeeps and watch the exhaust.

In the early days of ownership, I ran numerous tests where I asked my wife to drive the CRD while I monitored it from behind. I took me a while, but I found which fuels in my area and which amount of fuel additive worked best for my engine.

Fortunately for me, I found the right combo before my wife's patience was exhausted.

If you want to use one, check their FAQ's out to see if it's safe for DPF's and catalysts. If it doesn't say it's safe for DPF's and catalysts, I wouldn't use it.

FAQ - Power Service Diesel Fuel Additives
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