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  #16  
Old Yesterday, 12:33
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Re: I can not find the bmw checkvalve for pre 97 cherokees.

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Originally Posted by comanche91 View Post
THIS one works fine.

Talking from experience?

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  #17  
Old Yesterday, 12:35
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Re: I can not find the bmw checkvalve for pre 97 cherokees.

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Originally Posted by comanche91 View Post
THIS one works fine.

The thread looks so messed up on my end on ny my phone, do you have a link? Is that the amazon link or the bmw part link? It just shows a stock image on this phone.

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  #18  
Old Yesterday, 12:38
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I can not find the bmw checkvalve for pre 97 cherokees.

Itís a ebay link, this is the description :
5/16", 8mm ID Inline Fuel Check Valve WITH CLAMPS for Gas, Water, Diesel, Oil
eBay item # 262633687270



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  #19  
Old Yesterday, 12:39
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Re: I can not find the bmw checkvalve for pre 97 cherokees.

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Originally Posted by Green Mesa XJ View Post
Itís a ebay link, this is the description :
5/16", 8mm ID Inline Fuel Check Valve WITH CLAMPS for Gas, Water, Diesel, Oil
eBay item # 262633687270



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Did you personally use this one?


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  #20  
Old Yesterday, 13:22
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Re: I can not find the bmw checkvalve for pre 97 cherokees.

I did use it, yes. Spliced into the supply line near the tank at the first rubber line section above the right axle on my MJ. It helped hold the fuel pressure better overnight, held to ~20 psi in the morning. It's still inline.........

EDIT: Damn - didn't realize the check valve pic was so huge. Mods, please delete if possible.

Last edited by comanche91; Yesterday at 13:27.
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  #21  
Old Yesterday, 13:34
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Re: I can not find the bmw checkvalve for pre 97 cherokees.

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Originally Posted by comanche91 View Post
I did use it, yes. Spliced into the supply line near the tank at the first rubber line section above the right axle on my MJ. It helped hold the fuel pressure better overnight, held to ~20 psi in the morning. It's still inline.........

EDIT: Damn - didn't realize the check valve pic was so huge. Mods, please delete if possible.
So any 5/16 check valve should work? Im going to go to a part store if so local.

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  #22  
Old Yesterday, 13:35
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Re: I can not find the bmw checkvalve for pre 97 cherokees.

Quote:
Originally Posted by comanche91 View Post
I did use it, yes. Spliced into the supply line near the tank at the first rubber line section above the right axle on my MJ. It helped hold the fuel pressure better overnight, held to ~20 psi in the morning. It's still inline.........

EDIT: Damn - didn't realize the check valve pic was so huge. Mods, please delete if possible.
Prob put mine right there. Engine side of filter.

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  #23  
Old Today, 11:19
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Re: I can not find the bmw checkvalve for pre 97 cherokees.

Quote:
Originally Posted by comanche91 View Post
I did use it, yes. Spliced into the supply line near the tank at the first rubber line section above the right axle on my MJ. It helped hold the fuel pressure better overnight, held to ~20 psi in the morning. It's still inline.........

EDIT: Damn - didn't realize the check valve pic was so huge. Mods, please delete if possible.
Installed it... Fuel still bled off fast, was puzzled af. Uninstalled. It already went bad...


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  #24  
Old Today, 11:28
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Re: I can not find the bmw checkvalve for pre 97 cherokees.

You can also be losing fuel line pressure at the regulator and/or via leaky injectors.
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  #25  
Old Today, 11:31
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Re: I can not find the bmw checkvalve for pre 97 cherokees.

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You can also be losing fuel line pressure at the regulator and/or via leaky injectors.
Ive been diagnosing this for weeks. I bounced back and forth a few times. So i put my gauge literally in the post filter line. So it was tank/pump.. filter.. gauge.

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  #26  
Old Today, 12:04
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Re: I can not find the bmw checkvalve for pre 97 cherokees.

Try pinching off the return line to see if the gauge pressure rises. If not, it usually means the FPR has a bad diaphragm and/or leaky o-rings.
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  #27  
Old Today, 21:50
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Re: I can not find the bmw checkvalve for pre 97 cherokees.

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Originally Posted by comanche91 View Post
Try pinching off the return line to see if the gauge pressure rises. If not, it usually means the FPR has a bad diaphragm and/or leaky o-rings.
As its running, that would cause so many issues id imagine lol

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