Dennisjd63
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Thank you is there any product u recommend to prevent this pump from failing?
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Epsilon Plus
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CP4 Changes - additives discussion
I have seen better results with xdp over edt. That would be the old style pump. Below is the new style. With the single dimple marking and other dimples below. The designation is the single larger dimple in the circled location. That is the only way to tell is if that single dimple is there the...
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Swaggen
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The first reported dimple failure has happened. September big dimple truck.
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Trust not in your dimples, for they are a false injection prophet.
View attachment 9951
View attachment 9952
I had my cp4 go out in the year of our lord Dec 2020 8k miles. The cp4 modified? The trusted dimple , how many failures we have seen on these pumps? Just this one? I'm about to go to baja deep. Praying to the lords of good fuel and additives.