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Old 04-16-2011, 02:47 PM   #1
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Location: Hot Springs Village, Arkansas
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Is the fuel rail test port a Schraeder (sp) fitting?

I need to test my fuel pressure on my 2000 S and I bought an Actron gauge from Amazon that has a connection for a schraeder fitting. I haven't taken off the cap yet because the big supply house in AZ hasn't sent my new replacement cap yet. Is the Actron gauge going to work?

And secondly can I temporarily use a metal tire stem cap as a fuel rail test port cap?

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Old 04-16-2011, 02:59 PM   #2
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Only if you have also purchased the correct adaptor, the gauge will not connect directly as the end fitting is wrong size...........

And no, you cannot substitute a valve stem cap; you need a new one in the correct metric size with a new seal inside.

Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein

Last edited by JFP in PA; 04-16-2011 at 03:04 PM.
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