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Old 12-27-2021, 06:02 AM   #15
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Quote:
Originally Posted by CountryB View Post
The filter from ifskit.com (that sits between HEUI pump and Injectors) is there only to catch any metal particles in the event the HEUI pump fails. Without that filter any debris from a HEUI pump failure goes into the injectors, so you then have to replace the HEUI pump and injectors - after a HEUI pump failure.
Correct on the filter kits function.
I have a CAT Reman Huei which will be going in when I get this beast in my shop.
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Old 12-27-2021, 08:51 PM   #16
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Had an issue with losing prime on low throttle and sometimes not starting and having to prime the pump. I replaced the fuel regulator on the back of the block at the secondary filter, didn't help. Took almost two years to find the problem. It finally happened at the shop. They found the output line brass fitting on the up pump had a slight crack and would suck air when it had the perfect pressure against the fuel line. It was sporadic so not easy to find. Not sure if this is related to your problem. I had some very good guesses on the forum, so I thought I'd throw this at you. Good luck.
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Old 12-28-2021, 03:25 AM   #17
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You may have the best possibility!
On my way to pick up the unit in Nashville now !
After a successful trip home I’m digging into the fuel system!
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