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-   -   Fuel Pressure Regulator keeps failing (http://zr1.net/forum/showthread.php?t=23548)

Made in USA 08-14-2014 06:51 PM
Re: Fuel Pressure Regulator keeps failing
 
Quote:
Originally Posted by LGAFF (Post 209643)
When you put a fuel gauge on the rail does it hold pressure or bleed off? Ever test Fuel Pressure under load??
It holds pressure. I've not tested it under load other than at idle.

Made in USA 08-14-2014 06:52 PM
Re: Fuel Pressure Regulator keeps failing
 
Quote:
Originally Posted by ZZZZZR1 (Post 209641)
I'd wonder if it has anything to do with the fuel rail?

Is that connection not tight enough?

:cheers:

David
The fuel rails have been off several times. I don't think they are the issue.

Schrade 08-14-2014 07:07 PM
Re: Fuel Pressure Regulator keeps failing
 
Can you get a vid of the gas dripping out of the FPR vac port nipple?

Made in USA 08-15-2014 12:23 AM
Re: Fuel Pressure Regulator keeps failing
 
Quote:
Originally Posted by Schrade (Post 209647)
Can you get a vid of the gas dripping out of the FPR vac port nipple?
It's fixed now. I just want to keep it from happening again

Schrade 08-15-2014 01:17 AM
Re: Fuel Pressure Regulator keeps failing
 
Quote:
Originally Posted by Made in USA (Post 209665)
It's fixed now. I just want to keep it from happening again
Cool.

But exactly what was going on there? Where was the fuel coming from?

Knowing what might happen with others is good yUp!

Made in USA 08-15-2014 10:51 AM
Re: Fuel Pressure Regulator keeps failing
 
Quote:
Originally Posted by Schrade (Post 209673)
Cool.

But exactly what was going on there? Where was the fuel coming from?

Knowing what might happen with others is good yUp!
The FPR is failing internally, allowing fuel to move from the supply side back into the plenum through the FPR's vacuum line.


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