C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

AFPR leaking...again?!?! Help

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Old Nov 4, 2002 | 04:39 PM
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Default AFPR leaking...again?!?! Help

I know it's not a corvette, but it's at least an l98 and I need a little help if possible. Less than three months ago I had to replace the regulator due to a bad/leaking diaphram. The car had been sitting for two years, so I figured that may have played a role. Now the new regulator is doing the same thing which is: Slowly leaking fuel out of the bottom. I can see moisture under the plenum, and when I stick my finger down there it comes back with fuel on it. Also, there is a stain where it looks like fuel is coming from the line you pull to check FP at simulated WOT. Any ideas why this keeps happening, and a possible fix? A new regulator every 2 1/2 months isn't very economical for me.

Thanks in advance for any replies.
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Old Nov 4, 2002 | 04:41 PM
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How much fuel coming out of the vacuum line? That right there says something is screwed with the diaphram. :(
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Old Nov 4, 2002 | 04:50 PM
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Default Re: (scorp508)

Today was the first time I saw the evidence of fuel there. It looked like a decent amount. There was a small pool of fuel on the rail(which scares me). What makes a diaphram go bad in the first place? Thanks for the quick reply by the way. :cheers:
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