injection pump

Well I tried it. Called it pretty and everything and it still does nothing except giving me a P2291 code.. So off it goes to the dealer.LOL
 
Dealer is gonna say, "fuel contamination......no warranty"
The pumps have issues. Plastic parts in them and ANY water intrusion ALMOST always destroys them. The factory water separator is a joke at best and completely ineffective at worst. I suggest adding a water separator. $10k repair bill if they gong the warranty.
 
Fine design when the pump eats itself that it sends metal to the sticks.......steel piston in a aluminum bore.....great idea......lol
 
I think the plungers are tungsten and the barrells are stainless steel. At least thats what it looked like the last time I had a cp4 apart.
The body is aluminum.
 
LOL. This truck has been done and.gone for awhile now. I was able to get it so it was covered under warranty.
 
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