Cp4 injector pump Failure

[delmoniCO]

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I'm in Arizona, and everywhere else that's cold has "seasonably adjusted fuel" available. I don't care if you use them or not, and I won't say whether I do or not, but again, if a dealer doesn't want the low paying high hour job of a fuel system replacement, I could see them citing this.

If you do use them, just say you used the MOPAR ones if they say you did use additives.

Yeah "not necessary," brought to you by the same people who put the asym CP4 in your truck...

Also "not necessary" is not equivalent to "not recommended."

ETA: Mopar even sells their own "not necessary" fuel treatment additive!

 

[Brewbud]

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I'm in Arizona, and everywhere else that's cold has "seasonably adjusted fuel" available. I don't care if you use them or not, and I won't say whether I do or not, but again, if a dealer doesn't want the low paying high hour job of a fuel system replacement, I could see them citing this.

If you do use them, just say you used the MOPAR ones if they say you did use additives.

I lost all my fuel additive in the same boating accident I lost all my guns in.

 

[Brewbud]

Oh, my programmers were also lost in that same boating accident. Canoes are tippy!

 

[steve49]

When I bought my EcoDiesel friends with Cummins truck advised using Stanadyne "Performance Formula All Season", so five years on the Eco (CP4) with absolutely no problems. Now using it on the 2019 2500 Cummins, hope to have the same results!

 

[2Many12Valves]

When I bought my EcoDiesel friends with Cummins truck advised using Stanadyne "Performance Formula All Season", so five years on the Eco (CP4) with absolutely no problems. Now using it on the 2019 2500 Cummins, hope to have the same results!

been using Stanadyne since 2008 when they took the sulfur out of diesel, We use lubricity formula here in Texas, performance formula is better suited for cold weather climates and more expensive.

 

[Great White North Eh]

Ah the good days of sulfur....before diesel was as dry as gas..

 

[Epsilon Plus]

The first reported (that I've seen and I follow this issue daily) dimple pump has failed at 6,000 miles back in November. September build dimple truck in AZ.

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[Gemstatejake]

The first reported (that I've seen and I follow this issue daily) dimple pump has failed at 6,000 miles back in November. September build dimple truck in AZ.

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View attachment 9953

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Well that sucks

 

[Deleted member 80]

I have run across a couple others, but didn't bother to post. The only "fix" for the CP4 is to not use it.

 

[Xflight29]

I have run across a couple others, but didn't bother to post. The only "fix" for the CP4 is to not use it.

Guess we should all park our trucks. Not.

 

[Deleted member 80]

No, only you.

 

[1651Naismith]

Guess we should all park our trucks. Not.

No need. The CP4 will decide when its time to park it for you...

 

[Wmhjr]

Also "not necessary" is not equivalent to "not recommended."

ETA: Mopar even sells their own "not necessary" fuel treatment additive!

This. "Not necessary" means that their position is that there are no benefits, but no negatives (other than the cost of the additive).

"Not Recommended" means that they believe there will be negative consequences.

It is "not necessary" to use 91 octane fuel in a Honda Pilot.

(t is "Not recommended" to use 87 octane fuel in a Mercedes AMG E63.

 

[Slotcop]

My fuel pump just crapped out yesterday and took out the injectors is the report my dealer gave me today. 2020 Ram 2500 Cummins 4000miles. Pump on back order. Is this the CP4 you are talking about?

 

[cashflow44]

My fuel pump just crapped out yesterday and took out the injectors is the report my dealer gave me today. 2020 Ram 2500 Cummins 4000miles. Pump on back order. Is this the CP4 you are talking about?

Yes, I believe it is. My question also is... what do you do in the meantime for a vehicle and do they just put a crappy cp4 back into it?

 

[Cseybert]

I responded to a couple other treads. I was at the dealership the other day getting some codes done on the transmission 2019 Cummins. I asked the service manager about the CP4 pumps going out. told me he had quite a few already over the last couple years. My daughter has a 2019 Honda accord. I got a recall notice 600,000 and up fuel pump being replaced by Honda. That’s standing behind your product.

 

[hognuts1960]

If it's '19+ it has a CP4, unfortunately.

The 21 went back to CP3

 

[Deleted member 80]

The 21 went back to CP3

The post you quoted was made before the 2021 pump was known.