What diesel additive is best to protect the CP4 pump

[Teqsand]

Diesel has always been dirty compared to gasoline.

Europeans see it differently

https://rentar.com/europeans-drive-diesel-cars-dont-americans/

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[Teqsand]

Interesting article... it's a long PDG

US vs EU legislation

https://www.europarl.europa.eu/RegData/etudes/STUD/2016/587331/IPOL_STU(2016)587331_EN.pdf

 

[NCJL]

Europeans see it differently

https://rentar.com/europeans-drive-diesel-cars-dont-americans/

I’m not in Europe. Not an option.

 

[Teqsand]

I’m not in Europe. Not an option.

Pretty sure virtually none of us are there either...

 

[Gladbrennan]

So should we keep buying worthless diesel additives or not? One guy had a pump fail at 3k miles with additives and I have over 60k miles without? Seems like lubricity isn't the problem guys.

 

[Teqsand]

So should we keep buying worthless diesel additives or not? One guy had a pump fail at 3k miles with additives and I have over 60k miles without? Seems like lubricity isn't the problem guys.

If you mean my fail @ 3k. I was not using addatives

 

[Hootbro]

So should we keep buying worthless diesel additives or not? One guy had a pump fail at 3k miles with additives and I have over 60k miles without? Seems like lubricity isn't the problem guys.

Those are two data points of one that I would not draw a larger conclusion from.

 

[22EcoDs]

So should we keep buying worthless diesel additives or not? One guy had a pump fail at 3k miles with additives and I have over 60k miles without? Seems like lubricity isn't the problem guys.

What do you suspect is the cause then?

 

[Gladbrennan]

Lubricity being claimed by the majority as the reason for pump failure is so inconsistent, no one can draw a direct correlation between the two.

I cant speculate on the real cause, only the one this forum has made up in their heads.

 

[Gladbrennan]

Those are two data points of one that I would not draw a larger conclusion from.

Which data points would you select from? I think those "points" clearly indicate that no one has any idea what their talking about.

 

[Teqsand]

Which data points would you select from? I think those "points" clearly indicate that no one has any idea what their talking about.

So your thoughts on why Stellantis has elected to recall 100% and issue a 100% stop sell order? For Fun?

 

[Gladbrennan]

My thoughts would be that it doesnt have anything to do with diesel lubricity if you've been paying attention.

 

[Vtur]

For me. i think it's just a bad pump design and/or QC, that may or may not requires additional lubricity for it to function properly. 20k trouble free miles so far, but i got paranoia and added lubricity additive starting today. Hopping that it will last til the recall is performed.

 

[Hootbro]

Which data points would you select from? I think those "points" clearly indicate that no one has any idea what their talking about.

When dealing with an issue that has the potential of affecting many thousands if not tens of thousands of units, you have to look at the aggregate data as a whole and not base conclusions off of outliers to a trend.

To date, there is not a single source scientific method study of the problem that has been published that I know of. Anecdotal accounts by and large from my observation and from many others is that there seems to be a correlation between reduced failure rates and use of lubricity additives.

Final root cause of these fuel pump failure may not be tied 100% to lubricity when all said and done, but currently, the use of these additives cannot be discounted totally based off of outlier personal experience someone here or there may have.

 

[Gladbrennan]

When dealing with an issue that has the potential of affecting many thousands if not tens of thousands of units, you have to look at the aggregate data as a whole and not base conclusions off of outliers to a trend.

To date, there is not a single source scientific method study of the problem that has been published that I know of. Anecdotal accounts by and large from my observation and from many others is that there seems to be a correlation between reduced failure rates and use of lubricity additives.

Final root cause of these fuel pump failure may not be tied 100% to lubricity when all said and done, but currently, the use of these additives cannot be discounted totally based off of outlier personal experience someone here or there may have.

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