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Cat Man
Cat Man, Caterpillar Engine Expert
Category: Heavy Equipment
Satisfied Customers: 8912
Experience:  23 Years Caterpillar Engine experience.
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that is getting fuel..look.Can it get in from injector o-rings.Thanks

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Ihave a C7 cat that is getting fuel in the KAL28753. I am going to put a supply pump on it,but my question is where else do I need to look.Can it get in from injector o-rings.Thanks for any help
Hi. Thanks for using JA and for requesting me!
The most likely cause of your problem is the transfer pump. I have seen it a few times. The only other item that can cause this is a cracked head and I have never seen that. I would not worry about the injectors. They cannot cause fuel to enter the oil. They can only cause oil to enter the fuel. Let me know if you need anything else.
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