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Old 06-11-2017   #1
Paul Workman
 
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Join Date: Nov 2007
Location: Squires (near Ava MO in the Mark Twain N'tl Forest) - Missouri
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Default Cap for fuel rail Schrader valve?

Was checking fuel pressure, looking for a stalling when idling issue, and that danged cap got away somehow!

No luck with AutoZone, btw. Where should I look to find one (some)?
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Old 06-11-2017   #2
Hog
 
Join Date: Jul 2010
Location: Woodstock, Ontario, Canada
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Default Re: Cap for fuel rail Schrader valve?

Used on everything GM from 1991-2012.
Description
"Fuel Rail Pressure Relief Valve Distributor-Breakerless ignition"

US$18.26
GM p/n 12570619


pic



That p/n might help you get close to the cap only?
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Old 06-11-2017   #3
Jagdpanzer
 
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Location: Northern VA
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Default Re: Cap for fuel rail Schrader valve?

HVAC supply stores have them in brass.
Chance to revisit your old navy training in maintaining bright work.
Damn the torpedoes and pass the Brasso!
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Old 06-12-2017   #4
RussMcB
 
Join Date: Jan 2015
Location: Marietta, GA USA
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Default Re: Cap for fuel rail Schrader valve?

I expect to find mine the next time I pull my plenum.

I think I capped mine with an AN fitting. Can't remember if it was -4an or -6.
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