CP4 Fuel Bypass Kit.
Super Moderator
Joined: Aug 2008
Posts: 37,384
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From: Frederick, MD
I moved this to the 6.7 engine forum since this is very specific.
the 6.7 does not present problems as long as your fuel is good and you change the filters per the manual.
others will chime in.
the 6.7 does not present problems as long as your fuel is good and you change the filters per the manual.
others will chime in.
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Cross-Country
Joined: Sep 2017
Posts: 93
Likes: 26
From what I'm reading online, it's a failure of the fuel injection pump . If it fails, it allows the debris to flow to your high pressure fuel system, rails , injectors etc. causing replacement of the whole system.
im wondering if it's that common and if it's worth the cheap insurance.
A reroute kit prevents this secondary damage.
im wondering if it's that common and if it's worth the cheap insurance.
A reroute kit prevents this secondary damage.
Laughing Gas
Joined: Dec 2016
Posts: 781
Likes: 188
From: Knightstown Indiana
This was hashed out in the last month or so. Some see it your way, that the bottom end grenades and this kit send the bits to the tank to be cleaned saving the rest of the hp fuel system components. Others have argued that the failure originates (or can) on the top end of the pump and this kit will not help. No proof offered either way. In either case, it’s also been pointed out that when it’s (the fuel) cold the DFCM doesn’t send fuel to the tank but redirects back to the engine. In the scenario of the kit installed and a bottom end failure you still loose because the bits come back and you loose the DFCM too.
Im in this for the long haul, and I really don’t see a lot of failures reported. I considered this, but decided to pass. Those failures are usually caused by bad fuel. If you feel you have to do something, I’d look at an additional filter/water trap, or just stay on top of the fuel you buy.
Im in this for the long haul, and I really don’t see a lot of failures reported. I considered this, but decided to pass. Those failures are usually caused by bad fuel. If you feel you have to do something, I’d look at an additional filter/water trap, or just stay on top of the fuel you buy.
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